Home / 15,256,424.72-21,054,092.57-8,287,238.18

Finding the Fourth Proportional to 15,256,424.72, 21,054,092.57 and 8,287,238.18

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Solution

The fourth proportional to 15,256,424.72, 21,054,092.57 and 8,287,238.18 is: 11,436,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256,424.72 : 21,054,092.57 = 8,287,238.18 : x
  2. Step 2: Convert to fraction form
    15,256,424.72/21,054,092.57 = 8,287,238.18/x
  3. Step 3: Cross multiply
    15,256,424.72x = 21,054,092.57 × 8,287,238.18
  4. Step 4: Simplify right side
    15,256,424.72x = 174,480,279,833,634.53
  5. Step 5: Solve for x
    x = 174,480,279,833,634.53/15,256,424.72
  6. Step 6: Final answer
    x = 11,436,511.70

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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.