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Finding the Fourth Proportional to 34,954,472.61, 52,446,828.65 and 18,761,506.83

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Solution

The fourth proportional to 34,954,472.61, 52,446,828.65 and 18,761,506.83 is: 28,150,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,954,472.61 : 52,446,828.65 = 18,761,506.83 : x
  2. Step 2: Convert to fraction form
    34,954,472.61/52,446,828.65 = 18,761,506.83/x
  3. Step 3: Cross multiply
    34,954,472.61x = 52,446,828.65 × 18,761,506.83
  4. Step 4: Simplify right side
    34,954,472.61x = 983,981,533,835,007.12
  5. Step 5: Solve for x
    x = 983,981,533,835,007.12/34,954,472.61
  6. Step 6: Final answer
    x = 28,150,375.63

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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.