Home / 25,856,285.40-38,766,713.40-12,215,966.40

Finding the Fourth Proportional to 25,856,285.40, 38,766,713.40 and 12,215,966.40

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Solution

The fourth proportional to 25,856,285.40, 38,766,713.40 and 12,215,966.40 is: 18,315,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856,285.40 : 38,766,713.40 = 12,215,966.40 : x
  2. Step 2: Convert to fraction form
    25,856,285.40/38,766,713.40 = 12,215,966.40/x
  3. Step 3: Cross multiply
    25,856,285.40x = 38,766,713.40 × 12,215,966.40
  4. Step 4: Simplify right side
    25,856,285.40x = 473,572,868,332,829.75
  5. Step 5: Solve for x
    x = 473,572,868,332,829.75/25,856,285.40
  6. Step 6: Final answer
    x = 18,315,580.18

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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.