Home / 28,314,481.92-42,471,874.56-7,039,345.92

Finding the Fourth Proportional to 28,314,481.92, 42,471,874.56 and 7,039,345.92

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Solution

The fourth proportional to 28,314,481.92, 42,471,874.56 and 7,039,345.92 is: 10,559,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314,481.92 : 42,471,874.56 = 7,039,345.92 : x
  2. Step 2: Convert to fraction form
    28,314,481.92/42,471,874.56 = 7,039,345.92/x
  3. Step 3: Cross multiply
    28,314,481.92x = 42,471,874.56 × 7,039,345.92
  4. Step 4: Simplify right side
    28,314,481.92x = 298,974,216,898,687.81
  5. Step 5: Solve for x
    x = 298,974,216,898,687.81/28,314,481.92
  6. Step 6: Final answer
    x = 10,559,056.59

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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.