Home / 25,445,320.20-38,167,980.30-20,406,472.20

Finding the Fourth Proportional to 25,445,320.20, 38,167,980.30 and 20,406,472.20

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Solution

The fourth proportional to 25,445,320.20, 38,167,980.30 and 20,406,472.20 is: 30,609,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,320.20 : 38,167,980.30 = 20,406,472.20 : x
  2. Step 2: Convert to fraction form
    25,445,320.20/38,167,980.30 = 20,406,472.20/x
  3. Step 3: Cross multiply
    25,445,320.20x = 38,167,980.30 × 20,406,472.20
  4. Step 4: Simplify right side
    25,445,320.20x = 778,873,828,922,097.62
  5. Step 5: Solve for x
    x = 778,873,828,922,097.62/25,445,320.20
  6. Step 6: Final answer
    x = 30,609,708.30

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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.