Home / 8,125,572.81-12,193,641.72-3,519,059.28

Finding the Fourth Proportional to 8,125,572.81, 12,193,641.72 and 3,519,059.28

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Solution

The fourth proportional to 8,125,572.81, 12,193,641.72 and 3,519,059.28 is: 5,280,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,572.81 : 12,193,641.72 = 3,519,059.28 : x
  2. Step 2: Convert to fraction form
    8,125,572.81/12,193,641.72 = 3,519,059.28/x
  3. Step 3: Cross multiply
    8,125,572.81x = 12,193,641.72 × 3,519,059.28
  4. Step 4: Simplify right side
    8,125,572.81x = 42,910,148,051,761.16
  5. Step 5: Solve for x
    x = 42,910,148,051,761.16/8,125,572.81
  6. Step 6: Final answer
    x = 5,280,876.69

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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.