Home / 8,298,438.10-12,447,657.15-7,794,553.30

Finding the Fourth Proportional to 8,298,438.10, 12,447,657.15 and 7,794,553.30

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Solution

The fourth proportional to 8,298,438.10, 12,447,657.15 and 7,794,553.30 is: 11,691,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,438.10 : 12,447,657.15 = 7,794,553.30 : x
  2. Step 2: Convert to fraction form
    8,298,438.10/12,447,657.15 = 7,794,553.30/x
  3. Step 3: Cross multiply
    8,298,438.10x = 12,447,657.15 × 7,794,553.30
  4. Step 4: Simplify right side
    8,298,438.10x = 97,023,927,115,801.09
  5. Step 5: Solve for x
    x = 97,023,927,115,801.09/8,298,438.10
  6. Step 6: Final answer
    x = 11,691,829.95

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Double scale
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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.