Home / 20,087,332.56-30,113,306.01-7,965,316.44

Finding the Fourth Proportional to 20,087,332.56, 30,113,306.01 and 7,965,316.44

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Solution

The fourth proportional to 20,087,332.56, 30,113,306.01 and 7,965,316.44 is: 11,940,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,332.56 : 30,113,306.01 = 7,965,316.44 : x
  2. Step 2: Convert to fraction form
    20,087,332.56/30,113,306.01 = 7,965,316.44/x
  3. Step 3: Cross multiply
    20,087,332.56x = 30,113,306.01 × 7,965,316.44
  4. Step 4: Simplify right side
    20,087,332.56x = 239,862,011,424,203.84
  5. Step 5: Solve for x
    x = 239,862,011,424,203.84/20,087,332.56
  6. Step 6: Final answer
    x = 11,940,958.85

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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.