Home / 6,288,043.20-9,432,064.80-5,028,331.20

Finding the Fourth Proportional to 6,288,043.20, 9,432,064.80 and 5,028,331.20

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Solution

The fourth proportional to 6,288,043.20, 9,432,064.80 and 5,028,331.20 is: 7,542,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,043.20 : 9,432,064.80 = 5,028,331.20 : x
  2. Step 2: Convert to fraction form
    6,288,043.20/9,432,064.80 = 5,028,331.20/x
  3. Step 3: Cross multiply
    6,288,043.20x = 9,432,064.80 × 5,028,331.20
  4. Step 4: Simplify right side
    6,288,043.20x = 47,427,545,714,261.77
  5. Step 5: Solve for x
    x = 47,427,545,714,261.77/6,288,043.20
  6. Step 6: Final answer
    x = 7,542,496.80

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Similar ratio
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1.5x scale

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.