Home / 10,921,728,706.56-15,071,975,861.76-6,165,005,829.12

Finding the Fourth Proportional to 10,921,728,706.56, 15,071,975,861.76 and 6,165,005,829.12

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Solution

The fourth proportional to 10,921,728,706.56, 15,071,975,861.76 and 6,165,005,829.12 is: 8,507,702,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,728,706.56 : 15,071,975,861.76 = 6,165,005,829.12 : x
  2. Step 2: Convert to fraction form
    10,921,728,706.56/15,071,975,861.76 = 6,165,005,829.12/x
  3. Step 3: Cross multiply
    10,921,728,706.56x = 15,071,975,861.76 × 6,165,005,829.12
  4. Step 4: Simplify right side
    10,921,728,706.56x = 92,918,819,044,106,338,304
  5. Step 5: Solve for x
    x = 92,918,819,044,106,338,304/10,921,728,706.56
  6. Step 6: Final answer
    x = 8,507,702,538.73

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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.