Home / 5,380,475.20-8,070,712.80-3,467,287.60

Finding the Fourth Proportional to 5,380,475.20, 8,070,712.80 and 3,467,287.60

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Solution

The fourth proportional to 5,380,475.20, 8,070,712.80 and 3,467,287.60 is: 5,200,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,475.20 : 8,070,712.80 = 3,467,287.60 : x
  2. Step 2: Convert to fraction form
    5,380,475.20/8,070,712.80 = 3,467,287.60/x
  3. Step 3: Cross multiply
    5,380,475.20x = 8,070,712.80 × 3,467,287.60
  4. Step 4: Simplify right side
    5,380,475.20x = 27,983,482,414,601.28
  5. Step 5: Solve for x
    x = 27,983,482,414,601.28/5,380,475.20
  6. Step 6: Final answer
    x = 5,200,931.40

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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.