Home / 20,195,054.68-30,270,143.92-15,386,892.52

Finding the Fourth Proportional to 20,195,054.68, 30,270,143.92 and 15,386,892.52

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Solution

The fourth proportional to 20,195,054.68, 30,270,143.92 and 15,386,892.52 is: 23,063,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195,054.68 : 30,270,143.92 = 15,386,892.52 : x
  2. Step 2: Convert to fraction form
    20,195,054.68/30,270,143.92 = 15,386,892.52/x
  3. Step 3: Cross multiply
    20,195,054.68x = 30,270,143.92 × 15,386,892.52
  4. Step 4: Simplify right side
    20,195,054.68x = 465,763,451,061,971.50
  5. Step 5: Solve for x
    x = 465,763,451,061,971.50/20,195,054.68
  6. Step 6: Final answer
    x = 23,063,242.88

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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.