Home / 15,363,497.72-21,201,376.04-8,394,025.28

Finding the Fourth Proportional to 15,363,497.72, 21,201,376.04 and 8,394,025.28

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Solution

The fourth proportional to 15,363,497.72, 21,201,376.04 and 8,394,025.28 is: 11,583,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,497.72 : 21,201,376.04 = 8,394,025.28 : x
  2. Step 2: Convert to fraction form
    15,363,497.72/21,201,376.04 = 8,394,025.28/x
  3. Step 3: Cross multiply
    15,363,497.72x = 21,201,376.04 × 8,394,025.28
  4. Step 4: Simplify right side
    15,363,497.72x = 177,964,886,450,546.28
  5. Step 5: Solve for x
    x = 177,964,886,450,546.28/15,363,497.72
  6. Step 6: Final answer
    x = 11,583,617.85

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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.