Home / 8,174,840.40-12,262,260.60-7,997,693.40

Finding the Fourth Proportional to 8,174,840.40, 12,262,260.60 and 7,997,693.40

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Solution

The fourth proportional to 8,174,840.40, 12,262,260.60 and 7,997,693.40 is: 11,996,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,840.40 : 12,262,260.60 = 7,997,693.40 : x
  2. Step 2: Convert to fraction form
    8,174,840.40/12,262,260.60 = 7,997,693.40/x
  3. Step 3: Cross multiply
    8,174,840.40x = 12,262,260.60 × 7,997,693.40
  4. Step 4: Simplify right side
    8,174,840.40x = 98,069,800,669,700.05
  5. Step 5: Solve for x
    x = 98,069,800,669,700.05/8,174,840.40
  6. Step 6: Final answer
    x = 11,996,540.10

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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.