Home / 15,962,823.11-22,028,695.04-8,620,655.54

Finding the Fourth Proportional to 15,962,823.11, 22,028,695.04 and 8,620,655.54

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Solution

The fourth proportional to 15,962,823.11, 22,028,695.04 and 8,620,655.54 is: 11,896,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962,823.11 : 22,028,695.04 = 8,620,655.54 : x
  2. Step 2: Convert to fraction form
    15,962,823.11/22,028,695.04 = 8,620,655.54/x
  3. Step 3: Cross multiply
    15,962,823.11x = 22,028,695.04 × 8,620,655.54
  4. Step 4: Simplify right side
    15,962,823.11x = 189,901,792,012,169.91
  5. Step 5: Solve for x
    x = 189,901,792,012,169.91/15,962,823.11
  6. Step 6: Final answer
    x = 11,896,504.19

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Why These Related Problems?

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