Home / 8,623,481.28-12,928,726.56-5,211,042.24

Finding the Fourth Proportional to 8,623,481.28, 12,928,726.56 and 5,211,042.24

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Solution

The fourth proportional to 8,623,481.28, 12,928,726.56 and 5,211,042.24 is: 7,812,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,481.28 : 12,928,726.56 = 5,211,042.24 : x
  2. Step 2: Convert to fraction form
    8,623,481.28/12,928,726.56 = 5,211,042.24/x
  3. Step 3: Cross multiply
    8,623,481.28x = 12,928,726.56 × 5,211,042.24
  4. Step 4: Simplify right side
    8,623,481.28x = 67,372,140,213,569.90
  5. Step 5: Solve for x
    x = 67,372,140,213,569.90/8,623,481.28
  6. Step 6: Final answer
    x = 7,812,638.31

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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.