Home / 21,909,414.87-32,867,112.83-9,126,929.61

Finding the Fourth Proportional to 21,909,414.87, 32,867,112.83 and 9,126,929.61

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Solution

The fourth proportional to 21,909,414.87, 32,867,112.83 and 9,126,929.61 is: 13,691,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,414.87 : 32,867,112.83 = 9,126,929.61 : x
  2. Step 2: Convert to fraction form
    21,909,414.87/32,867,112.83 = 9,126,929.61/x
  3. Step 3: Cross multiply
    21,909,414.87x = 32,867,112.83 × 9,126,929.61
  4. Step 4: Simplify right side
    21,909,414.87x = 299,975,825,237,703.25
  5. Step 5: Solve for x
    x = 299,975,825,237,703.25/21,909,414.87
  6. Step 6: Final answer
    x = 13,691,640.19

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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.