Home / 29,331,028.80-43,996,543.20-18,489,632.40

Finding the Fourth Proportional to 29,331,028.80, 43,996,543.20 and 18,489,632.40

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Solution

The fourth proportional to 29,331,028.80, 43,996,543.20 and 18,489,632.40 is: 27,734,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331,028.80 : 43,996,543.20 = 18,489,632.40 : x
  2. Step 2: Convert to fraction form
    29,331,028.80/43,996,543.20 = 18,489,632.40/x
  3. Step 3: Cross multiply
    29,331,028.80x = 43,996,543.20 × 18,489,632.40
  4. Step 4: Simplify right side
    29,331,028.80x = 813,479,910,638,719.62
  5. Step 5: Solve for x
    x = 813,479,910,638,719.62/29,331,028.80
  6. Step 6: Final answer
    x = 27,734,448.60

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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.