Home / 12,264,260.68-18,412,668.78-10,478,618.92

Finding the Fourth Proportional to 12,264,260.68, 18,412,668.78 and 10,478,618.92

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Solution

The fourth proportional to 12,264,260.68, 18,412,668.78 and 10,478,618.92 is: 15,731,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,260.68 : 18,412,668.78 = 10,478,618.92 : x
  2. Step 2: Convert to fraction form
    12,264,260.68/18,412,668.78 = 10,478,618.92/x
  3. Step 3: Cross multiply
    12,264,260.68x = 18,412,668.78 × 10,478,618.92
  4. Step 4: Simplify right side
    12,264,260.68x = 192,939,339,445,801.34
  5. Step 5: Solve for x
    x = 192,939,339,445,801.34/12,264,260.68
  6. Step 6: Final answer
    x = 15,731,836.14

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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.