Home / 9,431,171.84-13,015,017.24-5,138,819.84

Finding the Fourth Proportional to 9,431,171.84, 13,015,017.24 and 5,138,819.84

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Solution

The fourth proportional to 9,431,171.84, 13,015,017.24 and 5,138,819.84 is: 7,091,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,171.84 : 13,015,017.24 = 5,138,819.84 : x
  2. Step 2: Convert to fraction form
    9,431,171.84/13,015,017.24 = 5,138,819.84/x
  3. Step 3: Cross multiply
    9,431,171.84x = 13,015,017.24 × 5,138,819.84
  4. Step 4: Simplify right side
    9,431,171.84x = 66,881,828,810,854.04
  5. Step 5: Solve for x
    x = 66,881,828,810,854.04/9,431,171.84
  6. Step 6: Final answer
    x = 7,091,571.43

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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.