Home / 15,184,787.08-20,955,005.70-8,309,269.96

Finding the Fourth Proportional to 15,184,787.08, 20,955,005.70 and 8,309,269.96

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Solution

The fourth proportional to 15,184,787.08, 20,955,005.70 and 8,309,269.96 is: 11,466,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184,787.08 : 20,955,005.70 = 8,309,269.96 : x
  2. Step 2: Convert to fraction form
    15,184,787.08/20,955,005.70 = 8,309,269.96/x
  3. Step 3: Cross multiply
    15,184,787.08x = 20,955,005.70 × 8,309,269.96
  4. Step 4: Simplify right side
    15,184,787.08x = 174,120,799,374,638.75
  5. Step 5: Solve for x
    x = 174,120,799,374,638.75/15,184,787.08
  6. Step 6: Final answer
    x = 11,466,792.29

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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.