Home / 10,921,728,707.56-15,071,975,863.14-6,165,005,830.12

Finding the Fourth Proportional to 10,921,728,707.56, 15,071,975,863.14 and 6,165,005,830.12

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Solution

The fourth proportional to 10,921,728,707.56, 15,071,975,863.14 and 6,165,005,830.12 is: 8,507,702,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,728,707.56 : 15,071,975,863.14 = 6,165,005,830.12 : x
  2. Step 2: Convert to fraction form
    10,921,728,707.56/15,071,975,863.14 = 6,165,005,830.12/x
  3. Step 3: Cross multiply
    10,921,728,707.56x = 15,071,975,863.14 × 6,165,005,830.12
  4. Step 4: Simplify right side
    10,921,728,707.56x = 92,918,819,067,686,010,880
  5. Step 5: Solve for x
    x = 92,918,819,067,686,010,880/10,921,728,707.56
  6. Step 6: Final answer
    x = 8,507,702,540.11

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.