Home / 20,087,337.56-30,113,313.50-7,965,321.44

Finding the Fourth Proportional to 20,087,337.56, 30,113,313.50 and 7,965,321.44

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Solution

The fourth proportional to 20,087,337.56, 30,113,313.50 and 7,965,321.44 is: 11,940,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,337.56 : 30,113,313.50 = 7,965,321.44 : x
  2. Step 2: Convert to fraction form
    20,087,337.56/30,113,313.50 = 7,965,321.44/x
  3. Step 3: Cross multiply
    20,087,337.56x = 30,113,313.50 × 7,965,321.44
  4. Step 4: Simplify right side
    20,087,337.56x = 239,862,221,650,991.44
  5. Step 5: Solve for x
    x = 239,862,221,650,991.44/20,087,337.56
  6. Step 6: Final answer
    x = 11,940,966.34

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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.