Home / 13,084,820.30-19,627,230.45-12,496,954.70

Finding the Fourth Proportional to 13,084,820.30, 19,627,230.45 and 12,496,954.70

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Solution

The fourth proportional to 13,084,820.30, 19,627,230.45 and 12,496,954.70 is: 18,745,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084,820.30 : 19,627,230.45 = 12,496,954.70 : x
  2. Step 2: Convert to fraction form
    13,084,820.30/19,627,230.45 = 12,496,954.70/x
  3. Step 3: Cross multiply
    13,084,820.30x = 19,627,230.45 × 12,496,954.70
  4. Step 4: Simplify right side
    13,084,820.30x = 245,280,609,820,110.59
  5. Step 5: Solve for x
    x = 245,280,609,820,110.59/13,084,820.30
  6. Step 6: Final answer
    x = 18,745,432.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.