Home / 12,003,791.39-18,005,700.08-5,618,527.77

Finding the Fourth Proportional to 12,003,791.39, 18,005,700.08 and 5,618,527.77

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Solution

The fourth proportional to 12,003,791.39, 18,005,700.08 and 5,618,527.77 is: 8,427,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,791.39 : 18,005,700.08 = 5,618,527.77 : x
  2. Step 2: Convert to fraction form
    12,003,791.39/18,005,700.08 = 5,618,527.77/x
  3. Step 3: Cross multiply
    12,003,791.39x = 18,005,700.08 × 5,618,527.77
  4. Step 4: Simplify right side
    12,003,791.39x = 101,165,525,967,734.70
  5. Step 5: Solve for x
    x = 101,165,525,967,734.70/12,003,791.39
  6. Step 6: Final answer
    x = 8,427,797.74

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1.5x scale

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.