Home / 28,747,425.60-43,121,138.40-26,668,900.80

Finding the Fourth Proportional to 28,747,425.60, 43,121,138.40 and 26,668,900.80

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Solution

The fourth proportional to 28,747,425.60, 43,121,138.40 and 26,668,900.80 is: 40,003,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747,425.60 : 43,121,138.40 = 26,668,900.80 : x
  2. Step 2: Convert to fraction form
    28,747,425.60/43,121,138.40 = 26,668,900.80/x
  3. Step 3: Cross multiply
    28,747,425.60x = 43,121,138.40 × 26,668,900.80
  4. Step 4: Simplify right side
    28,747,425.60x = 1,149,993,362,372,670.75
  5. Step 5: Solve for x
    x = 1,149,993,362,372,670.75/28,747,425.60
  6. Step 6: Final answer
    x = 40,003,351.20

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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.