Home / 28,082,637.92-42,125,589.92-7,889,454.56

Finding the Fourth Proportional to 28,082,637.92, 42,125,589.92 and 7,889,454.56

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Solution

The fourth proportional to 28,082,637.92, 42,125,589.92 and 7,889,454.56 is: 11,834,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,637.92 : 42,125,589.92 = 7,889,454.56 : x
  2. Step 2: Convert to fraction form
    28,082,637.92/42,125,589.92 = 7,889,454.56/x
  3. Step 3: Cross multiply
    28,082,637.92x = 42,125,589.92 × 7,889,454.56
  4. Step 4: Simplify right side
    28,082,637.92x = 332,347,927,487,034.06
  5. Step 5: Solve for x
    x = 332,347,927,487,034.06/28,082,637.92
  6. Step 6: Final answer
    x = 11,834,640.62

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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.