Home / 20,792,785.30-31,184,512.35-13,654,417.30

Finding the Fourth Proportional to 20,792,785.30, 31,184,512.35 and 13,654,417.30

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Solution

The fourth proportional to 20,792,785.30, 31,184,512.35 and 13,654,417.30 is: 20,478,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792,785.30 : 31,184,512.35 = 13,654,417.30 : x
  2. Step 2: Convert to fraction form
    20,792,785.30/31,184,512.35 = 13,654,417.30/x
  3. Step 3: Cross multiply
    20,792,785.30x = 31,184,512.35 × 13,654,417.30
  4. Step 4: Simplify right side
    20,792,785.30x = 425,806,344,923,903.69
  5. Step 5: Solve for x
    x = 425,806,344,923,903.69/20,792,785.30
  6. Step 6: Final answer
    x = 20,478,562.10

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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.