Home / 28,482,760.67-39,358,348.68-20,734,350.89

Finding the Fourth Proportional to 28,482,760.67, 39,358,348.68 and 20,734,350.89

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Solution

The fourth proportional to 28,482,760.67, 39,358,348.68 and 20,734,350.89 is: 28,651,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,760.67 : 39,358,348.68 = 20,734,350.89 : x
  2. Step 2: Convert to fraction form
    28,482,760.67/39,358,348.68 = 20,734,350.89/x
  3. Step 3: Cross multiply
    28,482,760.67x = 39,358,348.68 × 20,734,350.89
  4. Step 4: Simplify right side
    28,482,760.67x = 816,069,811,785,296.62
  5. Step 5: Solve for x
    x = 816,069,811,785,296.62/28,482,760.67
  6. Step 6: Final answer
    x = 28,651,359.37

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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.