Home / 6,391,690.80-9,587,536.20-4,712,074.80

Finding the Fourth Proportional to 6,391,690.80, 9,587,536.20 and 4,712,074.80

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Solution

The fourth proportional to 6,391,690.80, 9,587,536.20 and 4,712,074.80 is: 7,068,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,690.80 : 9,587,536.20 = 4,712,074.80 : x
  2. Step 2: Convert to fraction form
    6,391,690.80/9,587,536.20 = 4,712,074.80/x
  3. Step 3: Cross multiply
    6,391,690.80x = 9,587,536.20 × 4,712,074.80
  4. Step 4: Simplify right side
    6,391,690.80x = 45,177,187,722,107.76
  5. Step 5: Solve for x
    x = 45,177,187,722,107.76/6,391,690.80
  6. Step 6: Final answer
    x = 7,068,112.20

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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.