Home / 13,518,629.28-20,278,877.04-3,934,087.20

Finding the Fourth Proportional to 13,518,629.28, 20,278,877.04 and 3,934,087.20

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Solution

The fourth proportional to 13,518,629.28, 20,278,877.04 and 3,934,087.20 is: 5,901,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,629.28 : 20,278,877.04 = 3,934,087.20 : x
  2. Step 2: Convert to fraction form
    13,518,629.28/20,278,877.04 = 3,934,087.20/x
  3. Step 3: Cross multiply
    13,518,629.28x = 20,278,877.04 × 3,934,087.20
  4. Step 4: Simplify right side
    13,518,629.28x = 79,778,870,593,437.89
  5. Step 5: Solve for x
    x = 79,778,870,593,437.89/13,518,629.28
  6. Step 6: Final answer
    x = 5,901,402.35

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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.