Home / 13,518,630.28-20,278,878.54-3,934,088.20

Finding the Fourth Proportional to 13,518,630.28, 20,278,878.54 and 3,934,088.20

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Solution

The fourth proportional to 13,518,630.28, 20,278,878.54 and 3,934,088.20 is: 5,901,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,630.28 : 20,278,878.54 = 3,934,088.20 : x
  2. Step 2: Convert to fraction form
    13,518,630.28/20,278,878.54 = 3,934,088.20/x
  3. Step 3: Cross multiply
    13,518,630.28x = 20,278,878.54 × 3,934,088.20
  4. Step 4: Simplify right side
    13,518,630.28x = 79,778,896,773,447.23
  5. Step 5: Solve for x
    x = 79,778,896,773,447.23/13,518,630.28
  6. Step 6: Final answer
    x = 5,901,403.85

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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.