Home / 19,055,218.38-28,566,759.80-8,264,391.90

Finding the Fourth Proportional to 19,055,218.38, 28,566,759.80 and 8,264,391.90

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Solution

The fourth proportional to 19,055,218.38, 28,566,759.80 and 8,264,391.90 is: 12,389,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055,218.38 : 28,566,759.80 = 8,264,391.90 : x
  2. Step 2: Convert to fraction form
    19,055,218.38/28,566,759.80 = 8,264,391.90/x
  3. Step 3: Cross multiply
    19,055,218.38x = 28,566,759.80 × 8,264,391.90
  4. Step 4: Simplify right side
    19,055,218.38x = 236,086,898,300,365.62
  5. Step 5: Solve for x
    x = 236,086,898,300,365.62/19,055,218.38
  6. Step 6: Final answer
    x = 12,389,619.14

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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.