Home / 18,145,218.15-27,217,827.23-15,681,781.35

Finding the Fourth Proportional to 18,145,218.15, 27,217,827.23 and 15,681,781.35

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Solution

The fourth proportional to 18,145,218.15, 27,217,827.23 and 15,681,781.35 is: 23,522,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,218.15 : 27,217,827.23 = 15,681,781.35 : x
  2. Step 2: Convert to fraction form
    18,145,218.15/27,217,827.23 = 15,681,781.35/x
  3. Step 3: Cross multiply
    18,145,218.15x = 27,217,827.23 × 15,681,781.35
  4. Step 4: Simplify right side
    18,145,218.15x = 426,824,015,364,527.25
  5. Step 5: Solve for x
    x = 426,824,015,364,527.25/18,145,218.15
  6. Step 6: Final answer
    x = 23,522,672.03

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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.