Home / 13,538,432.80-20,340,826.80-10,179,200.80

Finding the Fourth Proportional to 13,538,432.80, 20,340,826.80 and 10,179,200.80

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Solution

The fourth proportional to 13,538,432.80, 20,340,826.80 and 10,179,200.80 is: 15,293,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,432.80 : 20,340,826.80 = 10,179,200.80 : x
  2. Step 2: Convert to fraction form
    13,538,432.80/20,340,826.80 = 10,179,200.80/x
  3. Step 3: Cross multiply
    13,538,432.80x = 20,340,826.80 × 10,179,200.80
  4. Step 4: Simplify right side
    13,538,432.80x = 207,053,360,435,221.47
  5. Step 5: Solve for x
    x = 207,053,360,435,221.47/13,538,432.80
  6. Step 6: Final answer
    x = 15,293,746.59

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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.