Home / 20,715,290.56-31,073,034.12-6,338,335.42

Finding the Fourth Proportional to 20,715,290.56, 31,073,034.12 and 6,338,335.42

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Solution

The fourth proportional to 20,715,290.56, 31,073,034.12 and 6,338,335.42 is: 9,507,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,290.56 : 31,073,034.12 = 6,338,335.42 : x
  2. Step 2: Convert to fraction form
    20,715,290.56/31,073,034.12 = 6,338,335.42/x
  3. Step 3: Cross multiply
    20,715,290.56x = 31,073,034.12 × 6,338,335.42
  4. Step 4: Simplify right side
    20,715,290.56x = 196,951,312,769,664.53
  5. Step 5: Solve for x
    x = 196,951,312,769,664.53/20,715,290.56
  6. Step 6: Final answer
    x = 9,507,533.20

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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.