Home / 48,520,586.79-72,815,998.14-18,981,134.19

Finding the Fourth Proportional to 48,520,586.79, 72,815,998.14 and 18,981,134.19

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Solution

The fourth proportional to 48,520,586.79, 72,815,998.14 and 18,981,134.19 is: 28,485,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,520,586.79 : 72,815,998.14 = 18,981,134.19 : x
  2. Step 2: Convert to fraction form
    48,520,586.79/72,815,998.14 = 18,981,134.19/x
  3. Step 3: Cross multiply
    48,520,586.79x = 72,815,998.14 × 18,981,134.19
  4. Step 4: Simplify right side
    48,520,586.79x = 1,382,130,231,874,130.50
  5. Step 5: Solve for x
    x = 1,382,130,231,874,130.50/48,520,586.79
  6. Step 6: Final answer
    x = 28,485,439.34

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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.