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Finding the Fourth Proportional to 10,334,920.40, 15,502,380.60 and 8,092,974.80

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Solution

The fourth proportional to 10,334,920.40, 15,502,380.60 and 8,092,974.80 is: 12,139,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,920.40 : 15,502,380.60 = 8,092,974.80 : x
  2. Step 2: Convert to fraction form
    10,334,920.40/15,502,380.60 = 8,092,974.80/x
  3. Step 3: Cross multiply
    10,334,920.40x = 15,502,380.60 × 8,092,974.80
  4. Step 4: Simplify right side
    10,334,920.40x = 125,460,375,535,808.88
  5. Step 5: Solve for x
    x = 125,460,375,535,808.88/10,334,920.40
  6. Step 6: Final answer
    x = 12,139,462.20

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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.