Home / 5,338,511.40-7,989,104.70-4,890,613.80

Finding the Fourth Proportional to 5,338,511.40, 7,989,104.70 and 4,890,613.80

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Solution

The fourth proportional to 5,338,511.40, 7,989,104.70 and 4,890,613.80 is: 7,318,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,511.40 : 7,989,104.70 = 4,890,613.80 : x
  2. Step 2: Convert to fraction form
    5,338,511.40/7,989,104.70 = 4,890,613.80/x
  3. Step 3: Cross multiply
    5,338,511.40x = 7,989,104.70 × 4,890,613.80
  4. Step 4: Simplify right side
    5,338,511.40x = 39,071,625,695,464.86
  5. Step 5: Solve for x
    x = 39,071,625,695,464.86/5,338,511.40
  6. Step 6: Final answer
    x = 7,318,824.06

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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.