Home / 38,454,500.92-53,067,207.28-20,813,400.44

Finding the Fourth Proportional to 38,454,500.92, 53,067,207.28 and 20,813,400.44

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Solution

The fourth proportional to 38,454,500.92, 53,067,207.28 and 20,813,400.44 is: 28,722,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454,500.92 : 53,067,207.28 = 20,813,400.44 : x
  2. Step 2: Convert to fraction form
    38,454,500.92/53,067,207.28 = 20,813,400.44/x
  3. Step 3: Cross multiply
    38,454,500.92x = 53,067,207.28 × 20,813,400.44
  4. Step 4: Simplify right side
    38,454,500.92x = 1,104,509,035,351,123.25
  5. Step 5: Solve for x
    x = 1,104,509,035,351,123.25/38,454,500.92
  6. Step 6: Final answer
    x = 28,722,490.45

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1.5x scale

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.