Home / 20,100,721.18-30,150,083.94-6,454,535.62

Finding the Fourth Proportional to 20,100,721.18, 30,150,083.94 and 6,454,535.62

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Solution

The fourth proportional to 20,100,721.18, 30,150,083.94 and 6,454,535.62 is: 9,681,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,721.18 : 30,150,083.94 = 6,454,535.62 : x
  2. Step 2: Convert to fraction form
    20,100,721.18/30,150,083.94 = 6,454,535.62/x
  3. Step 3: Cross multiply
    20,100,721.18x = 30,150,083.94 × 6,454,535.62
  4. Step 4: Simplify right side
    20,100,721.18x = 194,604,790,736,719.97
  5. Step 5: Solve for x
    x = 194,604,790,736,719.97/20,100,721.18
  6. Step 6: Final answer
    x = 9,681,483.02

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1.5x scale

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.