Home / 10,432,821.80-15,649,232.70-2,859,775.40

Finding the Fourth Proportional to 10,432,821.80, 15,649,232.70 and 2,859,775.40

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Solution

The fourth proportional to 10,432,821.80, 15,649,232.70 and 2,859,775.40 is: 4,289,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,821.80 : 15,649,232.70 = 2,859,775.40 : x
  2. Step 2: Convert to fraction form
    10,432,821.80/15,649,232.70 = 2,859,775.40/x
  3. Step 3: Cross multiply
    10,432,821.80x = 15,649,232.70 × 2,859,775.40
  4. Step 4: Simplify right side
    10,432,821.80x = 44,753,290,704,335.58
  5. Step 5: Solve for x
    x = 44,753,290,704,335.58/10,432,821.80
  6. Step 6: Final answer
    x = 4,289,663.10

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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.