Home / 13,428,542.22-20,148,767.01-7,037,275.02

Finding the Fourth Proportional to 13,428,542.22, 20,148,767.01 and 7,037,275.02

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Solution

The fourth proportional to 13,428,542.22, 20,148,767.01 and 7,037,275.02 is: 10,559,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,542.22 : 20,148,767.01 = 7,037,275.02 : x
  2. Step 2: Convert to fraction form
    13,428,542.22/20,148,767.01 = 7,037,275.02/x
  3. Step 3: Cross multiply
    13,428,542.22x = 20,148,767.01 × 7,037,275.02
  4. Step 4: Simplify right side
    13,428,542.22x = 141,792,414,763,273.09
  5. Step 5: Solve for x
    x = 141,792,414,763,273.09/13,428,542.22
  6. Step 6: Final answer
    x = 10,559,032.58

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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.