Home / 12,777,260.40-19,165,890.60-8,503,570.80

Finding the Fourth Proportional to 12,777,260.40, 19,165,890.60 and 8,503,570.80

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Solution

The fourth proportional to 12,777,260.40, 19,165,890.60 and 8,503,570.80 is: 12,755,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,260.40 : 19,165,890.60 = 8,503,570.80 : x
  2. Step 2: Convert to fraction form
    12,777,260.40/19,165,890.60 = 8,503,570.80/x
  3. Step 3: Cross multiply
    12,777,260.40x = 19,165,890.60 × 8,503,570.80
  4. Step 4: Simplify right side
    12,777,260.40x = 162,978,507,662,154.50
  5. Step 5: Solve for x
    x = 162,978,507,662,154.50/12,777,260.40
  6. Step 6: Final answer
    x = 12,755,356.20

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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.