Home / 15,735,061.09-21,557,110.62-15,145,315.38

Finding the Fourth Proportional to 15,735,061.09, 21,557,110.62 and 15,145,315.38

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Solution

The fourth proportional to 15,735,061.09, 21,557,110.62 and 15,145,315.38 is: 20,749,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735,061.09 : 21,557,110.62 = 15,145,315.38 : x
  2. Step 2: Convert to fraction form
    15,735,061.09/21,557,110.62 = 15,145,315.38/x
  3. Step 3: Cross multiply
    15,735,061.09x = 21,557,110.62 × 15,145,315.38
  4. Step 4: Simplify right side
    15,735,061.09x = 326,489,238,913,661.81
  5. Step 5: Solve for x
    x = 326,489,238,913,661.81/15,735,061.09
  6. Step 6: Final answer
    x = 20,749,156.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.