Home / 55,126,981.60-82,684,162.76-14,740,614.88

Finding the Fourth Proportional to 55,126,981.60, 82,684,162.76 and 14,740,614.88

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Solution

The fourth proportional to 55,126,981.60, 82,684,162.76 and 14,740,614.88 is: 22,109,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126,981.60 : 82,684,162.76 = 14,740,614.88 : x
  2. Step 2: Convert to fraction form
    55,126,981.60/82,684,162.76 = 14,740,614.88/x
  3. Step 3: Cross multiply
    55,126,981.60x = 82,684,162.76 × 14,740,614.88
  4. Step 4: Simplify right side
    55,126,981.60x = 1,218,815,399,920,398
  5. Step 5: Solve for x
    x = 1,218,815,399,920,398/55,126,981.60
  6. Step 6: Final answer
    x = 22,109,235.16

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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.