Home / 20,167,724.80-30,251,587.20-5,021,656.30

Finding the Fourth Proportional to 20,167,724.80, 30,251,587.20 and 5,021,656.30

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Solution

The fourth proportional to 20,167,724.80, 30,251,587.20 and 5,021,656.30 is: 7,532,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167,724.80 : 30,251,587.20 = 5,021,656.30 : x
  2. Step 2: Convert to fraction form
    20,167,724.80/30,251,587.20 = 5,021,656.30/x
  3. Step 3: Cross multiply
    20,167,724.80x = 30,251,587.20 × 5,021,656.30
  4. Step 4: Simplify right side
    20,167,724.80x = 151,913,073,447,879.34
  5. Step 5: Solve for x
    x = 151,913,073,447,879.34/20,167,724.80
  6. Step 6: Final answer
    x = 7,532,484.45

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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.