Home / 28,482,757.67-39,358,344.54-20,734,347.89

Finding the Fourth Proportional to 28,482,757.67, 39,358,344.54 and 20,734,347.89

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Solution

The fourth proportional to 28,482,757.67, 39,358,344.54 and 20,734,347.89 is: 28,651,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,757.67 : 39,358,344.54 = 20,734,347.89 : x
  2. Step 2: Convert to fraction form
    28,482,757.67/39,358,344.54 = 20,734,347.89/x
  3. Step 3: Cross multiply
    28,482,757.67x = 39,358,344.54 × 20,734,347.89
  4. Step 4: Simplify right side
    28,482,757.67x = 816,069,607,870,050.38
  5. Step 5: Solve for x
    x = 816,069,607,870,050.38/28,482,757.67
  6. Step 6: Final answer
    x = 28,651,355.23

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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.