Home / 20,087,336.56-30,113,312-7,965,320.44

Finding the Fourth Proportional to 20,087,336.56, 30,113,312 and 7,965,320.44

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Solution

The fourth proportional to 20,087,336.56, 30,113,312 and 7,965,320.44 is: 11,940,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,336.56 : 30,113,312 = 7,965,320.44 : x
  2. Step 2: Convert to fraction form
    20,087,336.56/30,113,312 = 7,965,320.44/x
  3. Step 3: Cross multiply
    20,087,336.56x = 30,113,312 × 7,965,320.44
  4. Step 4: Simplify right side
    20,087,336.56x = 239,862,179,589,697.28
  5. Step 5: Solve for x
    x = 239,862,179,589,697.28/20,087,336.56
  6. Step 6: Final answer
    x = 11,940,964.84

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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.