Home / 13,676,127.30-18,873,505.72-7,481,032.38

Finding the Fourth Proportional to 13,676,127.30, 18,873,505.72 and 7,481,032.38

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Solution

The fourth proportional to 13,676,127.30, 18,873,505.72 and 7,481,032.38 is: 10,324,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,127.30 : 18,873,505.72 = 7,481,032.38 : x
  2. Step 2: Convert to fraction form
    13,676,127.30/18,873,505.72 = 7,481,032.38/x
  3. Step 3: Cross multiply
    13,676,127.30x = 18,873,505.72 × 7,481,032.38
  4. Step 4: Simplify right side
    13,676,127.30x = 141,193,307,415,435.19
  5. Step 5: Solve for x
    x = 141,193,307,415,435.19/13,676,127.30
  6. Step 6: Final answer
    x = 10,324,070.87

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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.