Home / 28,547,058.61-39,394,841.52-15,494,317.48

Finding the Fourth Proportional to 28,547,058.61, 39,394,841.52 and 15,494,317.48

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Solution

The fourth proportional to 28,547,058.61, 39,394,841.52 and 15,494,317.48 is: 21,382,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,058.61 : 39,394,841.52 = 15,494,317.48 : x
  2. Step 2: Convert to fraction form
    28,547,058.61/39,394,841.52 = 15,494,317.48/x
  3. Step 3: Cross multiply
    28,547,058.61x = 39,394,841.52 × 15,494,317.48
  4. Step 4: Simplify right side
    28,547,058.61x = 610,396,181,585,165.88
  5. Step 5: Solve for x
    x = 610,396,181,585,165.88/28,547,058.61
  6. Step 6: Final answer
    x = 21,382,104.19

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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.