Home / 13,286,822.94-18,335,815.38-7,175,250.90

Finding the Fourth Proportional to 13,286,822.94, 18,335,815.38 and 7,175,250.90

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Solution

The fourth proportional to 13,286,822.94, 18,335,815.38 and 7,175,250.90 is: 9,901,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,822.94 : 18,335,815.38 = 7,175,250.90 : x
  2. Step 2: Convert to fraction form
    13,286,822.94/18,335,815.38 = 7,175,250.90/x
  3. Step 3: Cross multiply
    13,286,822.94x = 18,335,815.38 × 7,175,250.90
  4. Step 4: Simplify right side
    13,286,822.94x = 131,564,075,807,578.84
  5. Step 5: Solve for x
    x = 131,564,075,807,578.84/13,286,822.94
  6. Step 6: Final answer
    x = 9,901,846.09

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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.