Home / 12,099,373.20-18,149,059.80-6,416,672.40

Finding the Fourth Proportional to 12,099,373.20, 18,149,059.80 and 6,416,672.40

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Solution

The fourth proportional to 12,099,373.20, 18,149,059.80 and 6,416,672.40 is: 9,625,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,373.20 : 18,149,059.80 = 6,416,672.40 : x
  2. Step 2: Convert to fraction form
    12,099,373.20/18,149,059.80 = 6,416,672.40/x
  3. Step 3: Cross multiply
    12,099,373.20x = 18,149,059.80 × 6,416,672.40
  4. Step 4: Simplify right side
    12,099,373.20x = 116,456,571,104,609.53
  5. Step 5: Solve for x
    x = 116,456,571,104,609.53/12,099,373.20
  6. Step 6: Final answer
    x = 9,625,008.60

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1.5x scale

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.