Home / 13,601,084.10-20,401,626.15-12,821,637.30

Finding the Fourth Proportional to 13,601,084.10, 20,401,626.15 and 12,821,637.30

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Solution

The fourth proportional to 13,601,084.10, 20,401,626.15 and 12,821,637.30 is: 19,232,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,084.10 : 20,401,626.15 = 12,821,637.30 : x
  2. Step 2: Convert to fraction form
    13,601,084.10/20,401,626.15 = 12,821,637.30/x
  3. Step 3: Cross multiply
    13,601,084.10x = 20,401,626.15 × 12,821,637.30
  4. Step 4: Simplify right side
    13,601,084.10x = 261,582,250,825,495.41
  5. Step 5: Solve for x
    x = 261,582,250,825,495.41/13,601,084.10
  6. Step 6: Final answer
    x = 19,232,455.95

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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.