Home / 9,209,375.78-12,713,921.32-5,539,111.68

Finding the Fourth Proportional to 9,209,375.78, 12,713,921.32 and 5,539,111.68

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Solution

The fourth proportional to 9,209,375.78, 12,713,921.32 and 5,539,111.68 is: 7,646,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209,375.78 : 12,713,921.32 = 5,539,111.68 : x
  2. Step 2: Convert to fraction form
    9,209,375.78/12,713,921.32 = 5,539,111.68/x
  3. Step 3: Cross multiply
    9,209,375.78x = 12,713,921.32 × 5,539,111.68
  4. Step 4: Simplify right side
    9,209,375.78x = 70,423,830,082,213.02
  5. Step 5: Solve for x
    x = 70,423,830,082,213.02/9,209,375.78
  6. Step 6: Final answer
    x = 7,646,971.06

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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.