Home / 8,091,618.30-12,137,427.45-3,840,090.30

Finding the Fourth Proportional to 8,091,618.30, 12,137,427.45 and 3,840,090.30

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Solution

The fourth proportional to 8,091,618.30, 12,137,427.45 and 3,840,090.30 is: 5,760,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,618.30 : 12,137,427.45 = 3,840,090.30 : x
  2. Step 2: Convert to fraction form
    8,091,618.30/12,137,427.45 = 3,840,090.30/x
  3. Step 3: Cross multiply
    8,091,618.30x = 12,137,427.45 × 3,840,090.30
  4. Step 4: Simplify right side
    8,091,618.30x = 46,608,817,417,698.73
  5. Step 5: Solve for x
    x = 46,608,817,417,698.73/8,091,618.30
  6. Step 6: Final answer
    x = 5,760,135.45

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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.