Home / 21,613,665.60-32,368,549.10-12,363,593.68

Finding the Fourth Proportional to 21,613,665.60, 32,368,549.10 and 12,363,593.68

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Solution

The fourth proportional to 21,613,665.60, 32,368,549.10 and 12,363,593.68 is: 18,515,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,665.60 : 32,368,549.10 = 12,363,593.68 : x
  2. Step 2: Convert to fraction form
    21,613,665.60/32,368,549.10 = 12,363,593.68/x
  3. Step 3: Cross multiply
    21,613,665.60x = 32,368,549.10 × 12,363,593.68
  4. Step 4: Simplify right side
    21,613,665.60x = 400,191,589,083,529.69
  5. Step 5: Solve for x
    x = 400,191,589,083,529.69/21,613,665.60
  6. Step 6: Final answer
    x = 18,515,674.13

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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.