Home / 28,547,055.72-39,394,837.56-15,494,314.61

Finding the Fourth Proportional to 28,547,055.72, 39,394,837.56 and 15,494,314.61

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Solution

The fourth proportional to 28,547,055.72, 39,394,837.56 and 15,494,314.61 is: 21,382,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,055.72 : 39,394,837.56 = 15,494,314.61 : x
  2. Step 2: Convert to fraction form
    28,547,055.72/39,394,837.56 = 15,494,314.61/x
  3. Step 3: Cross multiply
    28,547,055.72x = 39,394,837.56 × 15,494,314.61
  4. Step 4: Simplify right side
    28,547,055.72x = 610,396,007,025,614.25
  5. Step 5: Solve for x
    x = 610,396,007,025,614.25/28,547,055.72
  6. Step 6: Final answer
    x = 21,382,100.24

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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.