Home / 25,445,356.20-38,168,034.30-20,406,508.20

Finding the Fourth Proportional to 25,445,356.20, 38,168,034.30 and 20,406,508.20

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Solution

The fourth proportional to 25,445,356.20, 38,168,034.30 and 20,406,508.20 is: 30,609,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,356.20 : 38,168,034.30 = 20,406,508.20 : x
  2. Step 2: Convert to fraction form
    25,445,356.20/38,168,034.30 = 20,406,508.20/x
  3. Step 3: Cross multiply
    25,445,356.20x = 38,168,034.30 × 20,406,508.20
  4. Step 4: Simplify right side
    25,445,356.20x = 778,876,304,920,831.12
  5. Step 5: Solve for x
    x = 778,876,304,920,831.12/25,445,356.20
  6. Step 6: Final answer
    x = 30,609,762.30

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Double scale
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Similar ratio
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1.5x scale

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.