Home / 10,647,619.20-15,947,809.20-9,230,443.20

Finding the Fourth Proportional to 10,647,619.20, 15,947,809.20 and 9,230,443.20

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Solution

The fourth proportional to 10,647,619.20, 15,947,809.20 and 9,230,443.20 is: 13,825,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,619.20 : 15,947,809.20 = 9,230,443.20 : x
  2. Step 2: Convert to fraction form
    10,647,619.20/15,947,809.20 = 9,230,443.20/x
  3. Step 3: Cross multiply
    10,647,619.20x = 15,947,809.20 × 9,230,443.20
  4. Step 4: Simplify right side
    10,647,619.20x = 147,205,346,985,037.41
  5. Step 5: Solve for x
    x = 147,205,346,985,037.41/10,647,619.20
  6. Step 6: Final answer
    x = 13,825,188.92

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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.