Home / 15,363,377.53-21,201,213.54-8,393,905.33

Finding the Fourth Proportional to 15,363,377.53, 21,201,213.54 and 8,393,905.33

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Solution

The fourth proportional to 15,363,377.53, 21,201,213.54 and 8,393,905.33 is: 11,583,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,377.53 : 21,201,213.54 = 8,393,905.33 : x
  2. Step 2: Convert to fraction form
    15,363,377.53/21,201,213.54 = 8,393,905.33/x
  3. Step 3: Cross multiply
    15,363,377.53x = 21,201,213.54 × 8,393,905.33
  4. Step 4: Simplify right side
    15,363,377.53x = 177,960,979,335,874.16
  5. Step 5: Solve for x
    x = 177,960,979,335,874.16/15,363,377.53
  6. Step 6: Final answer
    x = 11,583,454.16

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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.