Home / 25,839,946.80-38,759,920.20-20,801,098.80

Finding the Fourth Proportional to 25,839,946.80, 38,759,920.20 and 20,801,098.80

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Solution

The fourth proportional to 25,839,946.80, 38,759,920.20 and 20,801,098.80 is: 31,201,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839,946.80 : 38,759,920.20 = 20,801,098.80 : x
  2. Step 2: Convert to fraction form
    25,839,946.80/38,759,920.20 = 20,801,098.80/x
  3. Step 3: Cross multiply
    25,839,946.80x = 38,759,920.20 × 20,801,098.80
  4. Step 4: Simplify right side
    25,839,946.80x = 806,248,929,560,315.88
  5. Step 5: Solve for x
    x = 806,248,929,560,315.88/25,839,946.80
  6. Step 6: Final answer
    x = 31,201,648.20

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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.