Home / 10,647,620.20-15,947,810.70-9,230,444.20

Finding the Fourth Proportional to 10,647,620.20, 15,947,810.70 and 9,230,444.20

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Solution

The fourth proportional to 10,647,620.20, 15,947,810.70 and 9,230,444.20 is: 13,825,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,620.20 : 15,947,810.70 = 9,230,444.20 : x
  2. Step 2: Convert to fraction form
    10,647,620.20/15,947,810.70 = 9,230,444.20/x
  3. Step 3: Cross multiply
    10,647,620.20x = 15,947,810.70 × 9,230,444.20
  4. Step 4: Simplify right side
    10,647,620.20x = 147,205,376,778,512.91
  5. Step 5: Solve for x
    x = 147,205,376,778,512.91/10,647,620.20
  6. Step 6: Final answer
    x = 13,825,190.42

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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.