Home / 8,178,980.60-12,269,054.10-2,499,195.80

Finding the Fourth Proportional to 8,178,980.60, 12,269,054.10 and 2,499,195.80

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Solution

The fourth proportional to 8,178,980.60, 12,269,054.10 and 2,499,195.80 is: 3,748,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,980.60 : 12,269,054.10 = 2,499,195.80 : x
  2. Step 2: Convert to fraction form
    8,178,980.60/12,269,054.10 = 2,499,195.80/x
  3. Step 3: Cross multiply
    8,178,980.60x = 12,269,054.10 × 2,499,195.80
  4. Step 4: Simplify right side
    8,178,980.60x = 30,662,768,476,692.78
  5. Step 5: Solve for x
    x = 30,662,768,476,692.78/8,178,980.60
  6. Step 6: Final answer
    x = 3,748,971.90

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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.