Home / 20,676,886.93-31,015,337.69-9,304,049.53

Finding the Fourth Proportional to 20,676,886.93, 31,015,337.69 and 9,304,049.53

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Solution

The fourth proportional to 20,676,886.93, 31,015,337.69 and 9,304,049.53 is: 13,956,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,886.93 : 31,015,337.69 = 9,304,049.53 : x
  2. Step 2: Convert to fraction form
    20,676,886.93/31,015,337.69 = 9,304,049.53/x
  3. Step 3: Cross multiply
    20,676,886.93x = 31,015,337.69 × 9,304,049.53
  4. Step 4: Simplify right side
    20,676,886.93x = 288,568,238,057,435.75
  5. Step 5: Solve for x
    x = 288,568,238,057,435.75/20,676,886.93
  6. Step 6: Final answer
    x = 13,956,077.58

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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.