Home / 14,520,979.20-21,781,468.80-9,444,806.40

Finding the Fourth Proportional to 14,520,979.20, 21,781,468.80 and 9,444,806.40

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Solution

The fourth proportional to 14,520,979.20, 21,781,468.80 and 9,444,806.40 is: 14,167,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,979.20 : 21,781,468.80 = 9,444,806.40 : x
  2. Step 2: Convert to fraction form
    14,520,979.20/21,781,468.80 = 9,444,806.40/x
  3. Step 3: Cross multiply
    14,520,979.20x = 21,781,468.80 × 9,444,806.40
  4. Step 4: Simplify right side
    14,520,979.20x = 205,721,755,923,640.34
  5. Step 5: Solve for x
    x = 205,721,755,923,640.34/14,520,979.20
  6. Step 6: Final answer
    x = 14,167,209.60

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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.