Home / 12,291,039.60-18,447,713.10-6,229,987.80

Finding the Fourth Proportional to 12,291,039.60, 18,447,713.10 and 6,229,987.80

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Solution

The fourth proportional to 12,291,039.60, 18,447,713.10 and 6,229,987.80 is: 9,350,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,039.60 : 18,447,713.10 = 6,229,987.80 : x
  2. Step 2: Convert to fraction form
    12,291,039.60/18,447,713.10 = 6,229,987.80/x
  3. Step 3: Cross multiply
    12,291,039.60x = 18,447,713.10 × 6,229,987.80
  4. Step 4: Simplify right side
    12,291,039.60x = 114,929,027,550,900.19
  5. Step 5: Solve for x
    x = 114,929,027,550,900.19/12,291,039.60
  6. Step 6: Final answer
    x = 9,350,635.20

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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.