Home / 8,501,619.60-12,777,312.60-7,406,758.80

Finding the Fourth Proportional to 8,501,619.60, 12,777,312.60 and 7,406,758.80

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Solution

The fourth proportional to 8,501,619.60, 12,777,312.60 and 7,406,758.80 is: 11,131,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,619.60 : 12,777,312.60 = 7,406,758.80 : x
  2. Step 2: Convert to fraction form
    8,501,619.60/12,777,312.60 = 7,406,758.80/x
  3. Step 3: Cross multiply
    8,501,619.60x = 12,777,312.60 × 7,406,758.80
  4. Step 4: Simplify right side
    8,501,619.60x = 94,638,472,540,400.88
  5. Step 5: Solve for x
    x = 94,638,472,540,400.88/8,501,619.60
  6. Step 6: Final answer
    x = 11,131,816.88

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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.