Home / 16,981,363.40-25,472,045.10-11,312,659.40

Finding the Fourth Proportional to 16,981,363.40, 25,472,045.10 and 11,312,659.40

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Solution

The fourth proportional to 16,981,363.40, 25,472,045.10 and 11,312,659.40 is: 16,968,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981,363.40 : 25,472,045.10 = 11,312,659.40 : x
  2. Step 2: Convert to fraction form
    16,981,363.40/25,472,045.10 = 11,312,659.40/x
  3. Step 3: Cross multiply
    16,981,363.40x = 25,472,045.10 × 11,312,659.40
  4. Step 4: Simplify right side
    16,981,363.40x = 288,156,570,437,738.94
  5. Step 5: Solve for x
    x = 288,156,570,437,738.94/16,981,363.40
  6. Step 6: Final answer
    x = 16,968,989.10

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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.