Home / 15,309,540-22,956,336.75-7,220,343.57

Finding the Fourth Proportional to 15,309,540, 22,956,336.75 and 7,220,343.57

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Solution

The fourth proportional to 15,309,540, 22,956,336.75 and 7,220,343.57 is: 10,826,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309,540 : 22,956,336.75 = 7,220,343.57 : x
  2. Step 2: Convert to fraction form
    15,309,540/22,956,336.75 = 7,220,343.57/x
  3. Step 3: Cross multiply
    15,309,540x = 22,956,336.75 × 7,220,343.57
  4. Step 4: Simplify right side
    15,309,540x = 165,752,638,443,617.22
  5. Step 5: Solve for x
    x = 165,752,638,443,617.22/15,309,540
  6. Step 6: Final answer
    x = 10,826,754.98

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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.