Home / 14,109,434.92-19,475,164.02-9,215,405.20

Finding the Fourth Proportional to 14,109,434.92, 19,475,164.02 and 9,215,405.20

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Solution

The fourth proportional to 14,109,434.92, 19,475,164.02 and 9,215,405.20 is: 12,719,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109,434.92 : 19,475,164.02 = 9,215,405.20 : x
  2. Step 2: Convert to fraction form
    14,109,434.92/19,475,164.02 = 9,215,405.20/x
  3. Step 3: Cross multiply
    14,109,434.92x = 19,475,164.02 × 9,215,405.20
  4. Step 4: Simplify right side
    14,109,434.92x = 179,471,527,780,760.88
  5. Step 5: Solve for x
    x = 179,471,527,780,760.88/14,109,434.92
  6. Step 6: Final answer
    x = 12,719,965.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.