Home / 18,761,548.02-28,142,025.57-5,981,966.34

Finding the Fourth Proportional to 18,761,548.02, 28,142,025.57 and 5,981,966.34

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Solution

The fourth proportional to 18,761,548.02, 28,142,025.57 and 5,981,966.34 is: 8,972,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,548.02 : 28,142,025.57 = 5,981,966.34 : x
  2. Step 2: Convert to fraction form
    18,761,548.02/28,142,025.57 = 5,981,966.34/x
  3. Step 3: Cross multiply
    18,761,548.02x = 28,142,025.57 × 5,981,966.34
  4. Step 4: Simplify right side
    18,761,548.02x = 168,344,649,699,159.31
  5. Step 5: Solve for x
    x = 168,344,649,699,159.31/18,761,548.02
  6. Step 6: Final answer
    x = 8,972,854.99

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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.