Home / 28,773,813.13-39,707,392.87-15,720,791.11

Finding the Fourth Proportional to 28,773,813.13, 39,707,392.87 and 15,720,791.11

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Solution

The fourth proportional to 28,773,813.13, 39,707,392.87 and 15,720,791.11 is: 21,694,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,813.13 : 39,707,392.87 = 15,720,791.11 : x
  2. Step 2: Convert to fraction form
    28,773,813.13/39,707,392.87 = 15,720,791.11/x
  3. Step 3: Cross multiply
    28,773,813.13x = 39,707,392.87 × 15,720,791.11
  4. Step 4: Simplify right side
    28,773,813.13x = 624,231,628,753,369.50
  5. Step 5: Solve for x
    x = 624,231,628,753,369.50/28,773,813.13
  6. Step 6: Final answer
    x = 21,694,435.35

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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.