Home / 20,556,239.96-30,834,382.62-6,179,306.72

Finding the Fourth Proportional to 20,556,239.96, 30,834,382.62 and 6,179,306.72

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Solution

The fourth proportional to 20,556,239.96, 30,834,382.62 and 6,179,306.72 is: 9,268,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556,239.96 : 30,834,382.62 = 6,179,306.72 : x
  2. Step 2: Convert to fraction form
    20,556,239.96/30,834,382.62 = 6,179,306.72/x
  3. Step 3: Cross multiply
    20,556,239.96x = 30,834,382.62 × 6,179,306.72
  4. Step 4: Simplify right side
    20,556,239.96x = 190,535,107,730,817.22
  5. Step 5: Solve for x
    x = 190,535,107,730,817.22/20,556,239.96
  6. Step 6: Final answer
    x = 9,268,966.90

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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.