Home / 13,609,812.40-20,414,718.60-9,074,849.20

Finding the Fourth Proportional to 13,609,812.40, 20,414,718.60 and 9,074,849.20

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Solution

The fourth proportional to 13,609,812.40, 20,414,718.60 and 9,074,849.20 is: 13,612,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,812.40 : 20,414,718.60 = 9,074,849.20 : x
  2. Step 2: Convert to fraction form
    13,609,812.40/20,414,718.60 = 9,074,849.20/x
  3. Step 3: Cross multiply
    13,609,812.40x = 20,414,718.60 × 9,074,849.20
  4. Step 4: Simplify right side
    13,609,812.40x = 185,260,492,755,435.12
  5. Step 5: Solve for x
    x = 185,260,492,755,435.12/13,609,812.40
  6. Step 6: Final answer
    x = 13,612,273.80

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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.