Home / 7,929,471-10,942,679.72-4,307,799

Finding the Fourth Proportional to 7,929,471, 10,942,679.72 and 4,307,799

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Solution

The fourth proportional to 7,929,471, 10,942,679.72 and 4,307,799 is: 5,944,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,471 : 10,942,679.72 = 4,307,799 : x
  2. Step 2: Convert to fraction form
    7,929,471/10,942,679.72 = 4,307,799/x
  3. Step 3: Cross multiply
    7,929,471x = 10,942,679.72 × 4,307,799
  4. Step 4: Simplify right side
    7,929,471x = 47,138,864,755,136.28
  5. Step 5: Solve for x
    x = 47,138,864,755,136.28/7,929,471
  6. Step 6: Final answer
    x = 5,944,767.91

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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.