Home / 12,409,359.20-18,628,035.60-9,582,005.60

Finding the Fourth Proportional to 12,409,359.20, 18,628,035.60 and 9,582,005.60

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Solution

The fourth proportional to 12,409,359.20, 18,628,035.60 and 9,582,005.60 is: 14,383,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,359.20 : 18,628,035.60 = 9,582,005.60 : x
  2. Step 2: Convert to fraction form
    12,409,359.20/18,628,035.60 = 9,582,005.60/x
  3. Step 3: Cross multiply
    12,409,359.20x = 18,628,035.60 × 9,582,005.60
  4. Step 4: Simplify right side
    12,409,359.20x = 178,493,941,436,199.38
  5. Step 5: Solve for x
    x = 178,493,941,436,199.38/12,409,359.20
  6. Step 6: Final answer
    x = 14,383,816.16

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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.