Home / 12,012,219.29-18,021,400.29-3,492,555.75

Finding the Fourth Proportional to 12,012,219.29, 18,021,400.29 and 3,492,555.75

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Solution

The fourth proportional to 12,012,219.29, 18,021,400.29 and 3,492,555.75 is: 5,239,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,219.29 : 18,021,400.29 = 3,492,555.75 : x
  2. Step 2: Convert to fraction form
    12,012,219.29/18,021,400.29 = 3,492,555.75/x
  3. Step 3: Cross multiply
    12,012,219.29x = 18,021,400.29 × 3,492,555.75
  4. Step 4: Simplify right side
    12,012,219.29x = 62,940,745,205,891.16
  5. Step 5: Solve for x
    x = 62,940,745,205,891.16/12,012,219.29
  6. Step 6: Final answer
    x = 5,239,726.62

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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.