Home / 31,434,646.80-43,356,429.18-27,757,075.08

Finding the Fourth Proportional to 31,434,646.80, 43,356,429.18 and 27,757,075.08

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Solution

The fourth proportional to 31,434,646.80, 43,356,429.18 and 27,757,075.08 is: 38,284,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,646.80 : 43,356,429.18 = 27,757,075.08 : x
  2. Step 2: Convert to fraction form
    31,434,646.80/43,356,429.18 = 27,757,075.08/x
  3. Step 3: Cross multiply
    31,434,646.80x = 43,356,429.18 × 27,757,075.08
  4. Step 4: Simplify right side
    31,434,646.80x = 1,203,447,659,949,962.75
  5. Step 5: Solve for x
    x = 1,203,447,659,949,962.75/31,434,646.80
  6. Step 6: Final answer
    x = 38,284,115.85

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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.