Home / 12,364,613.70-18,538,280.55-7,313,324.10

Finding the Fourth Proportional to 12,364,613.70, 18,538,280.55 and 7,313,324.10

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Solution

The fourth proportional to 12,364,613.70, 18,538,280.55 and 7,313,324.10 is: 10,964,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,613.70 : 18,538,280.55 = 7,313,324.10 : x
  2. Step 2: Convert to fraction form
    12,364,613.70/18,538,280.55 = 7,313,324.10/x
  3. Step 3: Cross multiply
    12,364,613.70x = 18,538,280.55 × 7,313,324.10
  4. Step 4: Simplify right side
    12,364,613.70x = 135,576,453,918,876.25
  5. Step 5: Solve for x
    x = 135,576,453,918,876.25/12,364,613.70
  6. Step 6: Final answer
    x = 10,964,875.83

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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.