Home / 12,458,873.60-18,684,811.20-3,941,820.80

Finding the Fourth Proportional to 12,458,873.60, 18,684,811.20 and 3,941,820.80

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Solution

The fourth proportional to 12,458,873.60, 18,684,811.20 and 3,941,820.80 is: 5,911,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,873.60 : 18,684,811.20 = 3,941,820.80 : x
  2. Step 2: Convert to fraction form
    12,458,873.60/18,684,811.20 = 3,941,820.80/x
  3. Step 3: Cross multiply
    12,458,873.60x = 18,684,811.20 × 3,941,820.80
  4. Step 4: Simplify right side
    12,458,873.60x = 73,652,177,432,232.95
  5. Step 5: Solve for x
    x = 73,652,177,432,232.95/12,458,873.60
  6. Step 6: Final answer
    x = 5,911,624.10

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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.