Home / 8,409,749.20-12,617,551.28-2,653,371.61

Finding the Fourth Proportional to 8,409,749.20, 12,617,551.28 and 2,653,371.61

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Solution

The fourth proportional to 8,409,749.20, 12,617,551.28 and 2,653,371.61 is: 3,980,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,749.20 : 12,617,551.28 = 2,653,371.61 : x
  2. Step 2: Convert to fraction form
    8,409,749.20/12,617,551.28 = 2,653,371.61/x
  3. Step 3: Cross multiply
    8,409,749.20x = 12,617,551.28 × 2,653,371.61
  4. Step 4: Simplify right side
    8,409,749.20x = 33,479,052,309,260.43
  5. Step 5: Solve for x
    x = 33,479,052,309,260.43/8,409,749.20
  6. Step 6: Final answer
    x = 3,980,981.06

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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.