Home / 8,561,465.40-12,842,198.10-7,777,644.60

Finding the Fourth Proportional to 8,561,465.40, 12,842,198.10 and 7,777,644.60

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Solution

The fourth proportional to 8,561,465.40, 12,842,198.10 and 7,777,644.60 is: 11,666,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,465.40 : 12,842,198.10 = 7,777,644.60 : x
  2. Step 2: Convert to fraction form
    8,561,465.40/12,842,198.10 = 7,777,644.60/x
  3. Step 3: Cross multiply
    8,561,465.40x = 12,842,198.10 × 7,777,644.60
  4. Step 4: Simplify right side
    8,561,465.40x = 99,882,052,704,595.25
  5. Step 5: Solve for x
    x = 99,882,052,704,595.25/8,561,465.40
  6. Step 6: Final answer
    x = 11,666,466.90

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Similar ratio
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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.