Home / 21,956,816.88-30,300,585.84-12,167,425.80

Finding the Fourth Proportional to 21,956,816.88, 30,300,585.84 and 12,167,425.80

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Solution

The fourth proportional to 21,956,816.88, 30,300,585.84 and 12,167,425.80 is: 16,791,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,816.88 : 30,300,585.84 = 12,167,425.80 : x
  2. Step 2: Convert to fraction form
    21,956,816.88/30,300,585.84 = 12,167,425.80/x
  3. Step 3: Cross multiply
    21,956,816.88x = 30,300,585.84 × 12,167,425.80
  4. Step 4: Simplify right side
    21,956,816.88x = 368,680,129,904,730.69
  5. Step 5: Solve for x
    x = 368,680,129,904,730.69/21,956,816.88
  6. Step 6: Final answer
    x = 16,791,146.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.