Home / 10,876,726.80-16,315,090.20-5,208,022.80

Finding the Fourth Proportional to 10,876,726.80, 16,315,090.20 and 5,208,022.80

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Solution

The fourth proportional to 10,876,726.80, 16,315,090.20 and 5,208,022.80 is: 7,812,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876,726.80 : 16,315,090.20 = 5,208,022.80 : x
  2. Step 2: Convert to fraction form
    10,876,726.80/16,315,090.20 = 5,208,022.80/x
  3. Step 3: Cross multiply
    10,876,726.80x = 16,315,090.20 × 5,208,022.80
  4. Step 4: Simplify right side
    10,876,726.80x = 84,969,361,745,656.55
  5. Step 5: Solve for x
    x = 84,969,361,745,656.55/10,876,726.80
  6. Step 6: Final answer
    x = 7,812,034.20

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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.