Home / 38,839,888.73-53,598,782.39-21,436,233.44

Finding the Fourth Proportional to 38,839,888.73, 53,598,782.39 and 21,436,233.44

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Solution

The fourth proportional to 38,839,888.73, 53,598,782.39 and 21,436,233.44 is: 29,581,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,888.73 : 53,598,782.39 = 21,436,233.44 : x
  2. Step 2: Convert to fraction form
    38,839,888.73/53,598,782.39 = 21,436,233.44/x
  3. Step 3: Cross multiply
    38,839,888.73x = 53,598,782.39 × 21,436,233.44
  4. Step 4: Simplify right side
    38,839,888.73x = 1,148,956,011,304,620
  5. Step 5: Solve for x
    x = 1,148,956,011,304,620/38,839,888.73
  6. Step 6: Final answer
    x = 29,581,856.41

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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.