Home / 28,775,367.88-43,165,957.20-9,343,781.38

Finding the Fourth Proportional to 28,775,367.88, 43,165,957.20 and 9,343,781.38

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Solution

The fourth proportional to 28,775,367.88, 43,165,957.20 and 9,343,781.38 is: 14,016,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,367.88 : 43,165,957.20 = 9,343,781.38 : x
  2. Step 2: Convert to fraction form
    28,775,367.88/43,165,957.20 = 9,343,781.38/x
  3. Step 3: Cross multiply
    28,775,367.88x = 43,165,957.20 × 9,343,781.38
  4. Step 4: Simplify right side
    28,775,367.88x = 403,333,267,135,237
  5. Step 5: Solve for x
    x = 403,333,267,135,237/28,775,367.88
  6. Step 6: Final answer
    x = 14,016,615.49

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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.