Home / 13,175,135.09-18,182,254.60-7,294,769.38

Finding the Fourth Proportional to 13,175,135.09, 18,182,254.60 and 7,294,769.38

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Solution

The fourth proportional to 13,175,135.09, 18,182,254.60 and 7,294,769.38 is: 10,067,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,135.09 : 18,182,254.60 = 7,294,769.38 : x
  2. Step 2: Convert to fraction form
    13,175,135.09/18,182,254.60 = 7,294,769.38/x
  3. Step 3: Cross multiply
    13,175,135.09x = 18,182,254.60 × 7,294,769.38
  4. Step 4: Simplify right side
    13,175,135.09x = 132,635,354,160,899.80
  5. Step 5: Solve for x
    x = 132,635,354,160,899.80/13,175,135.09
  6. Step 6: Final answer
    x = 10,067,096.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.