Home / 28,799,921.80-43,087,908.30-18,722,225.80

Finding the Fourth Proportional to 28,799,921.80, 43,087,908.30 and 18,722,225.80

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Solution

The fourth proportional to 28,799,921.80, 43,087,908.30 and 18,722,225.80 is: 28,010,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799,921.80 : 43,087,908.30 = 18,722,225.80 : x
  2. Step 2: Convert to fraction form
    28,799,921.80/43,087,908.30 = 18,722,225.80/x
  3. Step 3: Cross multiply
    28,799,921.80x = 43,087,908.30 × 18,722,225.80
  4. Step 4: Simplify right side
    28,799,921.80x = 806,701,548,442,294.12
  5. Step 5: Solve for x
    x = 806,701,548,442,294.12/28,799,921.80
  6. Step 6: Final answer
    x = 28,010,546.49

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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.