Home / 5,668,720.20-8,503,080.30-5,456,143.80

Finding the Fourth Proportional to 5,668,720.20, 8,503,080.30 and 5,456,143.80

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Solution

The fourth proportional to 5,668,720.20, 8,503,080.30 and 5,456,143.80 is: 8,184,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,720.20 : 8,503,080.30 = 5,456,143.80 : x
  2. Step 2: Convert to fraction form
    5,668,720.20/8,503,080.30 = 5,456,143.80/x
  3. Step 3: Cross multiply
    5,668,720.20x = 8,503,080.30 × 5,456,143.80
  4. Step 4: Simplify right side
    5,668,720.20x = 46,394,028,859,747.14
  5. Step 5: Solve for x
    x = 46,394,028,859,747.14/5,668,720.20
  6. Step 6: Final answer
    x = 8,184,215.70

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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.