Home / 8,147,028.30-12,220,542.45-7,296,722.70

Finding the Fourth Proportional to 8,147,028.30, 12,220,542.45 and 7,296,722.70

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Solution

The fourth proportional to 8,147,028.30, 12,220,542.45 and 7,296,722.70 is: 10,945,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,028.30 : 12,220,542.45 = 7,296,722.70 : x
  2. Step 2: Convert to fraction form
    8,147,028.30/12,220,542.45 = 7,296,722.70/x
  3. Step 3: Cross multiply
    8,147,028.30x = 12,220,542.45 × 7,296,722.70
  4. Step 4: Simplify right side
    8,147,028.30x = 89,169,909,501,228.61
  5. Step 5: Solve for x
    x = 89,169,909,501,228.61/8,147,028.30
  6. Step 6: Final answer
    x = 10,945,084.05

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Double scale
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Similar ratio
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1.5x scale

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.