Home / 25,746,633.30-38,644,833.15-12,981,551.70

Finding the Fourth Proportional to 25,746,633.30, 38,644,833.15 and 12,981,551.70

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Solution

The fourth proportional to 25,746,633.30, 38,644,833.15 and 12,981,551.70 is: 19,484,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746,633.30 : 38,644,833.15 = 12,981,551.70 : x
  2. Step 2: Convert to fraction form
    25,746,633.30/38,644,833.15 = 12,981,551.70/x
  3. Step 3: Cross multiply
    25,746,633.30x = 38,644,833.15 × 12,981,551.70
  4. Step 4: Simplify right side
    25,746,633.30x = 501,669,899,474,598.81
  5. Step 5: Solve for x
    x = 501,669,899,474,598.81/25,746,633.30
  6. Step 6: Final answer
    x = 19,484,873.76

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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.