Home / 5,195,815.20-7,793,722.80-5,107,241.70

Finding the Fourth Proportional to 5,195,815.20, 7,793,722.80 and 5,107,241.70

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Solution

The fourth proportional to 5,195,815.20, 7,793,722.80 and 5,107,241.70 is: 7,660,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,815.20 : 7,793,722.80 = 5,107,241.70 : x
  2. Step 2: Convert to fraction form
    5,195,815.20/7,793,722.80 = 5,107,241.70/x
  3. Step 3: Cross multiply
    5,195,815.20x = 7,793,722.80 × 5,107,241.70
  4. Step 4: Simplify right side
    5,195,815.20x = 39,804,426,082,400.76
  5. Step 5: Solve for x
    x = 39,804,426,082,400.76/5,195,815.20
  6. Step 6: Final answer
    x = 7,660,862.55

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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.