Home / 12,648,799.92-18,981,008.49-4,971,095.16

Finding the Fourth Proportional to 12,648,799.92, 18,981,008.49 and 4,971,095.16

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Solution

The fourth proportional to 12,648,799.92, 18,981,008.49 and 4,971,095.16 is: 7,459,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,799.92 : 18,981,008.49 = 4,971,095.16 : x
  2. Step 2: Convert to fraction form
    12,648,799.92/18,981,008.49 = 4,971,095.16/x
  3. Step 3: Cross multiply
    12,648,799.92x = 18,981,008.49 × 4,971,095.16
  4. Step 4: Simplify right side
    12,648,799.92x = 94,356,399,411,702.44
  5. Step 5: Solve for x
    x = 94,356,399,411,702.44/12,648,799.92
  6. Step 6: Final answer
    x = 7,459,711.60

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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.