Home / 21,667,330.60-32,500,995.90-8,897,000.20

Finding the Fourth Proportional to 21,667,330.60, 32,500,995.90 and 8,897,000.20

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Solution

The fourth proportional to 21,667,330.60, 32,500,995.90 and 8,897,000.20 is: 13,345,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667,330.60 : 32,500,995.90 = 8,897,000.20 : x
  2. Step 2: Convert to fraction form
    21,667,330.60/32,500,995.90 = 8,897,000.20/x
  3. Step 3: Cross multiply
    21,667,330.60x = 32,500,995.90 × 8,897,000.20
  4. Step 4: Simplify right side
    21,667,330.60x = 289,161,367,022,499.12
  5. Step 5: Solve for x
    x = 289,161,367,022,499.12/21,667,330.60
  6. Step 6: Final answer
    x = 13,345,500.30

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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.