Home / 38,746,103.40-53,469,622.84-21,342,394.80

Finding the Fourth Proportional to 38,746,103.40, 53,469,622.84 and 21,342,394.80

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Solution

The fourth proportional to 38,746,103.40, 53,469,622.84 and 21,342,394.80 is: 29,452,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746,103.40 : 53,469,622.84 = 21,342,394.80 : x
  2. Step 2: Convert to fraction form
    38,746,103.40/53,469,622.84 = 21,342,394.80/x
  3. Step 3: Cross multiply
    38,746,103.40x = 53,469,622.84 × 21,342,394.80
  4. Step 4: Simplify right side
    38,746,103.40x = 1,141,169,800,458,377.25
  5. Step 5: Solve for x
    x = 1,141,169,800,458,377.25/38,746,103.40
  6. Step 6: Final answer
    x = 29,452,504.91

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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.