Home / 5,543,947.40-8,315,921.10-3,155,160.20

Finding the Fourth Proportional to 5,543,947.40, 8,315,921.10 and 3,155,160.20

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Solution

The fourth proportional to 5,543,947.40, 8,315,921.10 and 3,155,160.20 is: 4,732,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543,947.40 : 8,315,921.10 = 3,155,160.20 : x
  2. Step 2: Convert to fraction form
    5,543,947.40/8,315,921.10 = 3,155,160.20/x
  3. Step 3: Cross multiply
    5,543,947.40x = 8,315,921.10 × 3,155,160.20
  4. Step 4: Simplify right side
    5,543,947.40x = 26,238,063,281,060.22
  5. Step 5: Solve for x
    x = 26,238,063,281,060.22/5,543,947.40
  6. Step 6: Final answer
    x = 4,732,740.30

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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.