Home / 18,288,704.40-27,437,612.04-12,907,854.96

Finding the Fourth Proportional to 18,288,704.40, 27,437,612.04 and 12,907,854.96

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Solution

The fourth proportional to 18,288,704.40, 27,437,612.04 and 12,907,854.96 is: 19,364,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,704.40 : 27,437,612.04 = 12,907,854.96 : x
  2. Step 2: Convert to fraction form
    18,288,704.40/27,437,612.04 = 12,907,854.96/x
  3. Step 3: Cross multiply
    18,288,704.40x = 27,437,612.04 × 12,907,854.96
  4. Step 4: Simplify right side
    18,288,704.40x = 354,160,716,661,069.75
  5. Step 5: Solve for x
    x = 354,160,716,661,069.75/18,288,704.40
  6. Step 6: Final answer
    x = 19,364,997.59

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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.