Home / 28,454,896.18-42,689,134.50-9,285,688.90

Finding the Fourth Proportional to 28,454,896.18, 42,689,134.50 and 9,285,688.90

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Solution

The fourth proportional to 28,454,896.18, 42,689,134.50 and 9,285,688.90 is: 13,930,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454,896.18 : 42,689,134.50 = 9,285,688.90 : x
  2. Step 2: Convert to fraction form
    28,454,896.18/42,689,134.50 = 9,285,688.90/x
  3. Step 3: Cross multiply
    28,454,896.18x = 42,689,134.50 × 9,285,688.90
  4. Step 4: Simplify right side
    28,454,896.18x = 396,398,022,377,257.06
  5. Step 5: Solve for x
    x = 396,398,022,377,257.06/28,454,896.18
  6. Step 6: Final answer
    x = 13,930,749.21

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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.