Home / 13,322,554.29-18,384,098.76-7,521,908.58

Finding the Fourth Proportional to 13,322,554.29, 18,384,098.76 and 7,521,908.58

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Solution

The fourth proportional to 13,322,554.29, 18,384,098.76 and 7,521,908.58 is: 10,379,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,554.29 : 18,384,098.76 = 7,521,908.58 : x
  2. Step 2: Convert to fraction form
    13,322,554.29/18,384,098.76 = 7,521,908.58/x
  3. Step 3: Cross multiply
    13,322,554.29x = 18,384,098.76 × 7,521,908.58
  4. Step 4: Simplify right side
    13,322,554.29x = 138,283,510,198,411.38
  5. Step 5: Solve for x
    x = 138,283,510,198,411.38/13,322,554.29
  6. Step 6: Final answer
    x = 10,379,654.47

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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.