Home / 20,727,867.29-28,604,297.00-11,435,828.95

Finding the Fourth Proportional to 20,727,867.29, 28,604,297.00 and 11,435,828.95

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Solution

The fourth proportional to 20,727,867.29, 28,604,297.00 and 11,435,828.95 is: 15,781,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,867.29 : 28,604,297.00 = 11,435,828.95 : x
  2. Step 2: Convert to fraction form
    20,727,867.29/28,604,297.00 = 11,435,828.95/x
  3. Step 3: Cross multiply
    20,727,867.29x = 28,604,297.00 × 11,435,828.95
  4. Step 4: Simplify right side
    20,727,867.29x = 327,113,847,526,797.56
  5. Step 5: Solve for x
    x = 327,113,847,526,797.56/20,727,867.29
  6. Step 6: Final answer
    x = 15,781,355.74

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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.