Home / 21,061,626.33-31,604,097.02-10,279,016.49

Finding the Fourth Proportional to 21,061,626.33, 31,604,097.02 and 10,279,016.49

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Solution

The fourth proportional to 21,061,626.33, 31,604,097.02 and 10,279,016.49 is: 15,424,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,626.33 : 31,604,097.02 = 10,279,016.49 : x
  2. Step 2: Convert to fraction form
    21,061,626.33/31,604,097.02 = 10,279,016.49/x
  3. Step 3: Cross multiply
    21,061,626.33x = 31,604,097.02 × 10,279,016.49
  4. Step 4: Simplify right side
    21,061,626.33x = 324,859,034,420,139.88
  5. Step 5: Solve for x
    x = 324,859,034,420,139.88/21,061,626.33
  6. Step 6: Final answer
    x = 15,424,214.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.