Home / 9,529,612.20-13,150,821.60-5,178,616.20

Finding the Fourth Proportional to 9,529,612.20, 13,150,821.60 and 5,178,616.20

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Solution

The fourth proportional to 9,529,612.20, 13,150,821.60 and 5,178,616.20 is: 7,146,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529,612.20 : 13,150,821.60 = 5,178,616.20 : x
  2. Step 2: Convert to fraction form
    9,529,612.20/13,150,821.60 = 5,178,616.20/x
  3. Step 3: Cross multiply
    9,529,612.20x = 13,150,821.60 × 5,178,616.20
  4. Step 4: Simplify right side
    9,529,612.20x = 68,103,057,781,069.92
  5. Step 5: Solve for x
    x = 68,103,057,781,069.92/9,529,612.20
  6. Step 6: Final answer
    x = 7,146,466.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.