Home / 15,301,321.84-21,115,824.42-8,425,787.32

Finding the Fourth Proportional to 15,301,321.84, 21,115,824.42 and 8,425,787.32

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Solution

The fourth proportional to 15,301,321.84, 21,115,824.42 and 8,425,787.32 is: 11,627,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,321.84 : 21,115,824.42 = 8,425,787.32 : x
  2. Step 2: Convert to fraction form
    15,301,321.84/21,115,824.42 = 8,425,787.32/x
  3. Step 3: Cross multiply
    15,301,321.84x = 21,115,824.42 × 8,425,787.32
  4. Step 4: Simplify right side
    15,301,321.84x = 177,917,445,649,382.38
  5. Step 5: Solve for x
    x = 177,917,445,649,382.38/15,301,321.84
  6. Step 6: Final answer
    x = 11,627,586.66

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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.