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Finding the Fourth Proportional to 18,205,502.08, 25,123,963.22 and 9,946,099.32

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Solution

The fourth proportional to 18,205,502.08, 25,123,963.22 and 9,946,099.32 is: 13,725,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,502.08 : 25,123,963.22 = 9,946,099.32 : x
  2. Step 2: Convert to fraction form
    18,205,502.08/25,123,963.22 = 9,946,099.32/x
  3. Step 3: Cross multiply
    18,205,502.08x = 25,123,963.22 × 9,946,099.32
  4. Step 4: Simplify right side
    18,205,502.08x = 249,885,433,498,147
  5. Step 5: Solve for x
    x = 249,885,433,498,147/18,205,502.08
  6. Step 6: Final answer
    x = 13,725,819.39

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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.