Home / 13,168,728.20-19,745,219.10-6,791,436.20

Finding the Fourth Proportional to 13,168,728.20, 19,745,219.10 and 6,791,436.20

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Solution

The fourth proportional to 13,168,728.20, 19,745,219.10 and 6,791,436.20 is: 10,183,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,728.20 : 19,745,219.10 = 6,791,436.20 : x
  2. Step 2: Convert to fraction form
    13,168,728.20/19,745,219.10 = 6,791,436.20/x
  3. Step 3: Cross multiply
    13,168,728.20x = 19,745,219.10 × 6,791,436.20
  4. Step 4: Simplify right side
    13,168,728.20x = 134,098,395,772,671.44
  5. Step 5: Solve for x
    x = 134,098,395,772,671.44/13,168,728.20
  6. Step 6: Final answer
    x = 10,183,093.90

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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.