Home / 13,753,525.42-18,980,320.13-7,558,791.72

Finding the Fourth Proportional to 13,753,525.42, 18,980,320.13 and 7,558,791.72

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Solution

The fourth proportional to 13,753,525.42, 18,980,320.13 and 7,558,791.72 is: 10,431,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,525.42 : 18,980,320.13 = 7,558,791.72 : x
  2. Step 2: Convert to fraction form
    13,753,525.42/18,980,320.13 = 7,558,791.72/x
  3. Step 3: Cross multiply
    13,753,525.42x = 18,980,320.13 × 7,558,791.72
  4. Step 4: Simplify right side
    13,753,525.42x = 143,468,286,641,593.31
  5. Step 5: Solve for x
    x = 143,468,286,641,593.31/13,753,525.42
  6. Step 6: Final answer
    x = 10,431,382.66

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1.5x scale

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.