Home / 40,096,644.46-55,333,423.17-21,761,929.96

Finding the Fourth Proportional to 40,096,644.46, 55,333,423.17 and 21,761,929.96

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Solution

The fourth proportional to 40,096,644.46, 55,333,423.17 and 21,761,929.96 is: 30,031,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,644.46 : 55,333,423.17 = 21,761,929.96 : x
  2. Step 2: Convert to fraction form
    40,096,644.46/55,333,423.17 = 21,761,929.96/x
  3. Step 3: Cross multiply
    40,096,644.46x = 55,333,423.17 × 21,761,929.96
  4. Step 4: Simplify right side
    40,096,644.46x = 1,204,162,079,472,581.25
  5. Step 5: Solve for x
    x = 1,204,162,079,472,581.25/40,096,644.46
  6. Step 6: Final answer
    x = 30,031,492.55

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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.