Home / 15,215,004.45-20,998,959.68-9,633,769.72

Finding the Fourth Proportional to 15,215,004.45, 20,998,959.68 and 9,633,769.72

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Solution

The fourth proportional to 15,215,004.45, 20,998,959.68 and 9,633,769.72 is: 13,296,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215,004.45 : 20,998,959.68 = 9,633,769.72 : x
  2. Step 2: Convert to fraction form
    15,215,004.45/20,998,959.68 = 9,633,769.72/x
  3. Step 3: Cross multiply
    15,215,004.45x = 20,998,959.68 × 9,633,769.72
  4. Step 4: Simplify right side
    15,215,004.45x = 202,299,141,916,684.91
  5. Step 5: Solve for x
    x = 202,299,141,916,684.91/15,215,004.45
  6. Step 6: Final answer
    x = 13,296,029.10

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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.