Home / 20,471,418.06-30,696,859.12-6,819,764.93

Finding the Fourth Proportional to 20,471,418.06, 30,696,859.12 and 6,819,764.93

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Solution

The fourth proportional to 20,471,418.06, 30,696,859.12 and 6,819,764.93 is: 10,226,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,471,418.06 : 30,696,859.12 = 6,819,764.93 : x
  2. Step 2: Convert to fraction form
    20,471,418.06/30,696,859.12 = 6,819,764.93/x
  3. Step 3: Cross multiply
    20,471,418.06x = 30,696,859.12 × 6,819,764.93
  4. Step 4: Simplify right side
    20,471,418.06x = 209,345,363,287,726.66
  5. Step 5: Solve for x
    x = 209,345,363,287,726.66/20,471,418.06
  6. Step 6: Final answer
    x = 10,226,226.77

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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.