Home / 28,654,518.30-42,981,777.45-25,519,235.10

Finding the Fourth Proportional to 28,654,518.30, 42,981,777.45 and 25,519,235.10

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Solution

The fourth proportional to 28,654,518.30, 42,981,777.45 and 25,519,235.10 is: 38,278,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,518.30 : 42,981,777.45 = 25,519,235.10 : x
  2. Step 2: Convert to fraction form
    28,654,518.30/42,981,777.45 = 25,519,235.10/x
  3. Step 3: Cross multiply
    28,654,518.30x = 42,981,777.45 × 25,519,235.10
  4. Step 4: Simplify right side
    28,654,518.30x = 1,096,862,083,762,428.62
  5. Step 5: Solve for x
    x = 1,096,862,083,762,428.62/28,654,518.30
  6. Step 6: Final answer
    x = 38,278,852.65

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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.