Home / 10,387,142.10-15,582,419.01-3,198,677.22

Finding the Fourth Proportional to 10,387,142.10, 15,582,419.01 and 3,198,677.22

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Solution

The fourth proportional to 10,387,142.10, 15,582,419.01 and 3,198,677.22 is: 4,798,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,142.10 : 15,582,419.01 = 3,198,677.22 : x
  2. Step 2: Convert to fraction form
    10,387,142.10/15,582,419.01 = 3,198,677.22/x
  3. Step 3: Cross multiply
    10,387,142.10x = 15,582,419.01 × 3,198,677.22
  4. Step 4: Simplify right side
    10,387,142.10x = 49,843,128,719,781.95
  5. Step 5: Solve for x
    x = 49,843,128,719,781.95/10,387,142.10
  6. Step 6: Final answer
    x = 4,798,541.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.