Home / 21,841,217.40-32,761,826.10-7,462,129.80

Finding the Fourth Proportional to 21,841,217.40, 32,761,826.10 and 7,462,129.80

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Solution

The fourth proportional to 21,841,217.40, 32,761,826.10 and 7,462,129.80 is: 11,193,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841,217.40 : 32,761,826.10 = 7,462,129.80 : x
  2. Step 2: Convert to fraction form
    21,841,217.40/32,761,826.10 = 7,462,129.80/x
  3. Step 3: Cross multiply
    21,841,217.40x = 32,761,826.10 × 7,462,129.80
  4. Step 4: Simplify right side
    21,841,217.40x = 244,472,998,843,227.78
  5. Step 5: Solve for x
    x = 244,472,998,843,227.78/21,841,217.40
  6. Step 6: Final answer
    x = 11,193,194.70

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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.