Home / 25,857,586.78-38,792,055.43-7,663,207.97

Finding the Fourth Proportional to 25,857,586.78, 38,792,055.43 and 7,663,207.97

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Solution

The fourth proportional to 25,857,586.78, 38,792,055.43 and 7,663,207.97 is: 11,496,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,586.78 : 38,792,055.43 = 7,663,207.97 : x
  2. Step 2: Convert to fraction form
    25,857,586.78/38,792,055.43 = 7,663,207.97/x
  3. Step 3: Cross multiply
    25,857,586.78x = 38,792,055.43 × 7,663,207.97
  4. Step 4: Simplify right side
    25,857,586.78x = 297,271,588,149,897.50
  5. Step 5: Solve for x
    x = 297,271,588,149,897.50/25,857,586.78
  6. Step 6: Final answer
    x = 11,496,493.88

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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.