Home / 6,766,040.70-10,149,061.05-6,287,743.80

Finding the Fourth Proportional to 6,766,040.70, 10,149,061.05 and 6,287,743.80

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Solution

The fourth proportional to 6,766,040.70, 10,149,061.05 and 6,287,743.80 is: 9,431,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,040.70 : 10,149,061.05 = 6,287,743.80 : x
  2. Step 2: Convert to fraction form
    6,766,040.70/10,149,061.05 = 6,287,743.80/x
  3. Step 3: Cross multiply
    6,766,040.70x = 10,149,061.05 × 6,287,743.80
  4. Step 4: Simplify right side
    6,766,040.70x = 63,814,695,692,958.99
  5. Step 5: Solve for x
    x = 63,814,695,692,958.99/6,766,040.70
  6. Step 6: Final answer
    x = 9,431,615.70

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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.