Home / 8,501,622.60-12,777,317.10-7,406,761.80

Finding the Fourth Proportional to 8,501,622.60, 12,777,317.10 and 7,406,761.80

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Solution

The fourth proportional to 8,501,622.60, 12,777,317.10 and 7,406,761.80 is: 11,131,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,622.60 : 12,777,317.10 = 7,406,761.80 : x
  2. Step 2: Convert to fraction form
    8,501,622.60/12,777,317.10 = 7,406,761.80/x
  3. Step 3: Cross multiply
    8,501,622.60x = 12,777,317.10 × 7,406,761.80
  4. Step 4: Simplify right side
    8,501,622.60x = 94,638,544,202,766.78
  5. Step 5: Solve for x
    x = 94,638,544,202,766.78/8,501,622.60
  6. Step 6: Final answer
    x = 11,131,821.38

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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.