Home / 10,469,841.40-15,705,798.90-3,645,364.60

Finding the Fourth Proportional to 10,469,841.40, 15,705,798.90 and 3,645,364.60

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Solution

The fourth proportional to 10,469,841.40, 15,705,798.90 and 3,645,364.60 is: 5,468,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469,841.40 : 15,705,798.90 = 3,645,364.60 : x
  2. Step 2: Convert to fraction form
    10,469,841.40/15,705,798.90 = 3,645,364.60/x
  3. Step 3: Cross multiply
    10,469,841.40x = 15,705,798.90 × 3,645,364.60
  4. Step 4: Simplify right side
    10,469,841.40x = 57,253,363,324,778.95
  5. Step 5: Solve for x
    x = 57,253,363,324,778.95/10,469,841.40
  6. Step 6: Final answer
    x = 5,468,407.89

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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.