Home / 18,227,629.20-27,341,443.80-7,441,345.20

Finding the Fourth Proportional to 18,227,629.20, 27,341,443.80 and 7,441,345.20

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Solution

The fourth proportional to 18,227,629.20, 27,341,443.80 and 7,441,345.20 is: 11,162,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,629.20 : 27,341,443.80 = 7,441,345.20 : x
  2. Step 2: Convert to fraction form
    18,227,629.20/27,341,443.80 = 7,441,345.20/x
  3. Step 3: Cross multiply
    18,227,629.20x = 27,341,443.80 × 7,441,345.20
  4. Step 4: Simplify right side
    18,227,629.20x = 203,457,121,582,199.78
  5. Step 5: Solve for x
    x = 203,457,121,582,199.78/18,227,629.20
  6. Step 6: Final answer
    x = 11,162,017.80

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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.