Home / 8,501,620.60-12,777,314.10-7,406,759.80

Finding the Fourth Proportional to 8,501,620.60, 12,777,314.10 and 7,406,759.80

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Solution

The fourth proportional to 8,501,620.60, 12,777,314.10 and 7,406,759.80 is: 11,131,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,620.60 : 12,777,314.10 = 7,406,759.80 : x
  2. Step 2: Convert to fraction form
    8,501,620.60/12,777,314.10 = 7,406,759.80/x
  3. Step 3: Cross multiply
    8,501,620.60x = 12,777,314.10 × 7,406,759.80
  4. Step 4: Simplify right side
    8,501,620.60x = 94,638,496,427,853.17
  5. Step 5: Solve for x
    x = 94,638,496,427,853.17/8,501,620.60
  6. Step 6: Final answer
    x = 11,131,818.38

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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.