Home / 13,754,949.21-18,981,869.68-7,560,630.63

Finding the Fourth Proportional to 13,754,949.21, 18,981,869.68 and 7,560,630.63

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Solution

The fourth proportional to 13,754,949.21, 18,981,869.68 and 7,560,630.63 is: 10,433,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,949.21 : 18,981,869.68 = 7,560,630.63 : x
  2. Step 2: Convert to fraction form
    13,754,949.21/18,981,869.68 = 7,560,630.63/x
  3. Step 3: Cross multiply
    13,754,949.21x = 18,981,869.68 × 7,560,630.63
  4. Step 4: Simplify right side
    13,754,949.21x = 143,514,905,317,276.28
  5. Step 5: Solve for x
    x = 143,514,905,317,276.28/13,754,949.21
  6. Step 6: Final answer
    x = 10,433,692.13

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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.