Home / 12,526,672.80-18,790,009.20-4,439,584.20

Finding the Fourth Proportional to 12,526,672.80, 18,790,009.20 and 4,439,584.20

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Solution

The fourth proportional to 12,526,672.80, 18,790,009.20 and 4,439,584.20 is: 6,659,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,672.80 : 18,790,009.20 = 4,439,584.20 : x
  2. Step 2: Convert to fraction form
    12,526,672.80/18,790,009.20 = 4,439,584.20/x
  3. Step 3: Cross multiply
    12,526,672.80x = 18,790,009.20 × 4,439,584.20
  4. Step 4: Simplify right side
    12,526,672.80x = 83,419,827,962,174.64
  5. Step 5: Solve for x
    x = 83,419,827,962,174.64/12,526,672.80
  6. Step 6: Final answer
    x = 6,659,376.30

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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.