Home / 18,532,336.27-27,781,970.67-9,429,342.43

Finding the Fourth Proportional to 18,532,336.27, 27,781,970.67 and 9,429,342.43

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Solution

The fourth proportional to 18,532,336.27, 27,781,970.67 and 9,429,342.43 is: 14,135,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532,336.27 : 27,781,970.67 = 9,429,342.43 : x
  2. Step 2: Convert to fraction form
    18,532,336.27/27,781,970.67 = 9,429,342.43/x
  3. Step 3: Cross multiply
    18,532,336.27x = 27,781,970.67 × 9,429,342.43
  4. Step 4: Simplify right side
    18,532,336.27x = 261,965,714,827,646.53
  5. Step 5: Solve for x
    x = 261,965,714,827,646.53/18,532,336.27
  6. Step 6: Final answer
    x = 14,135,601.20

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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.