Home / 25,554,502.60-38,331,753.90-12,776,979.40

Finding the Fourth Proportional to 25,554,502.60, 38,331,753.90 and 12,776,979.40

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Solution

The fourth proportional to 25,554,502.60, 38,331,753.90 and 12,776,979.40 is: 19,165,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554,502.60 : 38,331,753.90 = 12,776,979.40 : x
  2. Step 2: Convert to fraction form
    25,554,502.60/38,331,753.90 = 12,776,979.40/x
  3. Step 3: Cross multiply
    25,554,502.60x = 38,331,753.90 × 12,776,979.40
  4. Step 4: Simplify right side
    25,554,502.60x = 489,764,029,946,169.62
  5. Step 5: Solve for x
    x = 489,764,029,946,169.62/25,554,502.60
  6. Step 6: Final answer
    x = 19,165,469.10

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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.