Home / 15,751,754-21,737,291.82-8,782,348.76

Finding the Fourth Proportional to 15,751,754, 21,737,291.82 and 8,782,348.76

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Solution

The fourth proportional to 15,751,754, 21,737,291.82 and 8,782,348.76 is: 12,119,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,754 : 21,737,291.82 = 8,782,348.76 : x
  2. Step 2: Convert to fraction form
    15,751,754/21,737,291.82 = 8,782,348.76/x
  3. Step 3: Cross multiply
    15,751,754x = 21,737,291.82 × 8,782,348.76
  4. Step 4: Simplify right side
    15,751,754x = 190,904,477,861,135.16
  5. Step 5: Solve for x
    x = 190,904,477,861,135.16/15,751,754
  6. Step 6: Final answer
    x = 12,119,569.53

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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.