Home / 13,554,174-18,704,891.40-7,442,733.72

Finding the Fourth Proportional to 13,554,174, 18,704,891.40 and 7,442,733.72

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Solution

The fourth proportional to 13,554,174, 18,704,891.40 and 7,442,733.72 is: 10,271,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,174 : 18,704,891.40 = 7,442,733.72 : x
  2. Step 2: Convert to fraction form
    13,554,174/18,704,891.40 = 7,442,733.72/x
  3. Step 3: Cross multiply
    13,554,174x = 18,704,891.40 × 7,442,733.72
  4. Step 4: Simplify right side
    13,554,174x = 139,215,525,951,717.98
  5. Step 5: Solve for x
    x = 139,215,525,951,717.98/13,554,174
  6. Step 6: Final answer
    x = 10,271,044.62

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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.