Home / 27,933,957.55-38,527,022.91-18,147,554.91

Finding the Fourth Proportional to 27,933,957.55, 38,527,022.91 and 18,147,554.91

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Solution

The fourth proportional to 27,933,957.55, 38,527,022.91 and 18,147,554.91 is: 25,029,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,957.55 : 38,527,022.91 = 18,147,554.91 : x
  2. Step 2: Convert to fraction form
    27,933,957.55/38,527,022.91 = 18,147,554.91/x
  3. Step 3: Cross multiply
    27,933,957.55x = 38,527,022.91 × 18,147,554.91
  4. Step 4: Simplify right side
    27,933,957.55x = 699,171,263,852,402.88
  5. Step 5: Solve for x
    x = 699,171,263,852,402.88/27,933,957.55
  6. Step 6: Final answer
    x = 25,029,438.19

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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.