Home / 18,851,665.24-28,277,456.05-5,018,627.38

Finding the Fourth Proportional to 18,851,665.24, 28,277,456.05 and 5,018,627.38

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Solution

The fourth proportional to 18,851,665.24, 28,277,456.05 and 5,018,627.38 is: 7,527,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,665.24 : 28,277,456.05 = 5,018,627.38 : x
  2. Step 2: Convert to fraction form
    18,851,665.24/28,277,456.05 = 5,018,627.38/x
  3. Step 3: Cross multiply
    18,851,665.24x = 28,277,456.05 × 5,018,627.38
  4. Step 4: Simplify right side
    18,851,665.24x = 141,914,015,144,183.53
  5. Step 5: Solve for x
    x = 141,914,015,144,183.53/18,851,665.24
  6. Step 6: Final answer
    x = 7,527,929.94

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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.