Home / 28,324,711.20-42,487,066.80-14,859,789.60

Finding the Fourth Proportional to 28,324,711.20, 42,487,066.80 and 14,859,789.60

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Solution

The fourth proportional to 28,324,711.20, 42,487,066.80 and 14,859,789.60 is: 22,289,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324,711.20 : 42,487,066.80 = 14,859,789.60 : x
  2. Step 2: Convert to fraction form
    28,324,711.20/42,487,066.80 = 14,859,789.60/x
  3. Step 3: Cross multiply
    28,324,711.20x = 42,487,066.80 × 14,859,789.60
  4. Step 4: Simplify right side
    28,324,711.20x = 631,348,873,369,145.25
  5. Step 5: Solve for x
    x = 631,348,873,369,145.25/28,324,711.20
  6. Step 6: Final answer
    x = 22,289,684.40

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1.5x scale

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.