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Finding the Fourth Proportional to 35,471,015.04, 48,945,841.20 and 20,000,177.76

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Solution

The fourth proportional to 35,471,015.04, 48,945,841.20 and 20,000,177.76 is: 27,597,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471,015.04 : 48,945,841.20 = 20,000,177.76 : x
  2. Step 2: Convert to fraction form
    35,471,015.04/48,945,841.20 = 20,000,177.76/x
  3. Step 3: Cross multiply
    35,471,015.04x = 48,945,841.20 × 20,000,177.76
  4. Step 4: Simplify right side
    35,471,015.04x = 978,925,524,612,731.88
  5. Step 5: Solve for x
    x = 978,925,524,612,731.88/35,471,015.04
  6. Step 6: Final answer
    x = 27,597,899.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.