Home / 38,019,278.80-56,944,937.40-20,047,387.60

Finding the Fourth Proportional to 38,019,278.80, 56,944,937.40 and 20,047,387.60

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Solution

The fourth proportional to 38,019,278.80, 56,944,937.40 and 20,047,387.60 is: 30,026,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019,278.80 : 56,944,937.40 = 20,047,387.60 : x
  2. Step 2: Convert to fraction form
    38,019,278.80/56,944,937.40 = 20,047,387.60/x
  3. Step 3: Cross multiply
    38,019,278.80x = 56,944,937.40 × 20,047,387.60
  4. Step 4: Simplify right side
    38,019,278.80x = 1,141,597,231,915,536.25
  5. Step 5: Solve for x
    x = 1,141,597,231,915,536.25/38,019,278.80
  6. Step 6: Final answer
    x = 30,026,798.72

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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.