Home / 16,461,678.60-22,718,512.06-9,121,814.19

Finding the Fourth Proportional to 16,461,678.60, 22,718,512.06 and 9,121,814.19

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Solution

The fourth proportional to 16,461,678.60, 22,718,512.06 and 9,121,814.19 is: 12,588,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461,678.60 : 22,718,512.06 = 9,121,814.19 : x
  2. Step 2: Convert to fraction form
    16,461,678.60/22,718,512.06 = 9,121,814.19/x
  3. Step 3: Cross multiply
    16,461,678.60x = 22,718,512.06 × 9,121,814.19
  4. Step 4: Simplify right side
    16,461,678.60x = 207,234,045,661,789.59
  5. Step 5: Solve for x
    x = 207,234,045,661,789.59/16,461,678.60
  6. Step 6: Final answer
    x = 12,588,876.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.