Home / 10,083,312.41-15,117,215.67-5,220,405.81

Finding the Fourth Proportional to 10,083,312.41, 15,117,215.67 and 5,220,405.81

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Solution

The fourth proportional to 10,083,312.41, 15,117,215.67 and 5,220,405.81 is: 7,826,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083,312.41 : 15,117,215.67 = 5,220,405.81 : x
  2. Step 2: Convert to fraction form
    10,083,312.41/15,117,215.67 = 5,220,405.81/x
  3. Step 3: Cross multiply
    10,083,312.41x = 15,117,215.67 × 5,220,405.81
  4. Step 4: Simplify right side
    10,083,312.41x = 78,918,000,514,691.03
  5. Step 5: Solve for x
    x = 78,918,000,514,691.03/10,083,312.41
  6. Step 6: Final answer
    x = 7,826,594.81

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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.