Home / 8,853,768-13,270,577.81-5,387,863.49

Finding the Fourth Proportional to 8,853,768, 13,270,577.81 and 5,387,863.49

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Solution

The fourth proportional to 8,853,768, 13,270,577.81 and 5,387,863.49 is: 8,075,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,768 : 13,270,577.81 = 5,387,863.49 : x
  2. Step 2: Convert to fraction form
    8,853,768/13,270,577.81 = 5,387,863.49/x
  3. Step 3: Cross multiply
    8,853,768x = 13,270,577.81 × 5,387,863.49
  4. Step 4: Simplify right side
    8,853,768x = 71,500,061,650,380.09
  5. Step 5: Solve for x
    x = 71,500,061,650,380.09/8,853,768
  6. Step 6: Final answer
    x = 8,075,664.69

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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.