Home / 15,224,415.75-21,009,671.25-8,255,080.64

Finding the Fourth Proportional to 15,224,415.75, 21,009,671.25 and 8,255,080.64

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Solution

The fourth proportional to 15,224,415.75, 21,009,671.25 and 8,255,080.64 is: 11,391,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,415.75 : 21,009,671.25 = 8,255,080.64 : x
  2. Step 2: Convert to fraction form
    15,224,415.75/21,009,671.25 = 8,255,080.64/x
  3. Step 3: Cross multiply
    15,224,415.75x = 21,009,671.25 × 8,255,080.64
  4. Step 4: Simplify right side
    15,224,415.75x = 173,436,530,362,377.50
  5. Step 5: Solve for x
    x = 173,436,530,362,377.50/15,224,415.75
  6. Step 6: Final answer
    x = 11,391,999.09

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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.