Home / 12,948,502.28-17,868,934.92-7,147,285.25

Finding the Fourth Proportional to 12,948,502.28, 17,868,934.92 and 7,147,285.25

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Solution

The fourth proportional to 12,948,502.28, 17,868,934.92 and 7,147,285.25 is: 9,863,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,502.28 : 17,868,934.92 = 7,147,285.25 : x
  2. Step 2: Convert to fraction form
    12,948,502.28/17,868,934.92 = 7,147,285.25/x
  3. Step 3: Cross multiply
    12,948,502.28x = 17,868,934.92 × 7,147,285.25
  4. Step 4: Simplify right side
    12,948,502.28x = 127,714,374,897,581.27
  5. Step 5: Solve for x
    x = 127,714,374,897,581.27/12,948,502.28
  6. Step 6: Final answer
    x = 9,863,254.62

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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.