Home / 20,141,211.33-30,211,789.66-9,352,612.76

Finding the Fourth Proportional to 20,141,211.33, 30,211,789.66 and 9,352,612.76

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Solution

The fourth proportional to 20,141,211.33, 30,211,789.66 and 9,352,612.76 is: 14,028,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,211.33 : 30,211,789.66 = 9,352,612.76 : x
  2. Step 2: Convert to fraction form
    20,141,211.33/30,211,789.66 = 9,352,612.76/x
  3. Step 3: Cross multiply
    20,141,211.33x = 30,211,789.66 × 9,352,612.76
  4. Step 4: Simplify right side
    20,141,211.33x = 282,559,169,302,111.62
  5. Step 5: Solve for x
    x = 282,559,169,302,111.62/20,141,211.33
  6. Step 6: Final answer
    x = 14,028,906.44

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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.