Home / 12,126,873.60-18,190,310.40-3,606,102.90

Finding the Fourth Proportional to 12,126,873.60, 18,190,310.40 and 3,606,102.90

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Solution

The fourth proportional to 12,126,873.60, 18,190,310.40 and 3,606,102.90 is: 5,409,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,873.60 : 18,190,310.40 = 3,606,102.90 : x
  2. Step 2: Convert to fraction form
    12,126,873.60/18,190,310.40 = 3,606,102.90/x
  3. Step 3: Cross multiply
    12,126,873.60x = 18,190,310.40 × 3,606,102.90
  4. Step 4: Simplify right side
    12,126,873.60x = 65,596,131,085,340.16
  5. Step 5: Solve for x
    x = 65,596,131,085,340.16/12,126,873.60
  6. Step 6: Final answer
    x = 5,409,154.35

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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.