Home / 7,152,605.60-10,728,908.40-4,129,296.80

Finding the Fourth Proportional to 7,152,605.60, 10,728,908.40 and 4,129,296.80

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Solution

The fourth proportional to 7,152,605.60, 10,728,908.40 and 4,129,296.80 is: 6,193,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,605.60 : 10,728,908.40 = 4,129,296.80 : x
  2. Step 2: Convert to fraction form
    7,152,605.60/10,728,908.40 = 4,129,296.80/x
  3. Step 3: Cross multiply
    7,152,605.60x = 10,728,908.40 × 4,129,296.80
  4. Step 4: Simplify right side
    7,152,605.60x = 44,302,847,123,613.12
  5. Step 5: Solve for x
    x = 44,302,847,123,613.12/7,152,605.60
  6. Step 6: Final answer
    x = 6,193,945.20

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Similar ratio
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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.