Home / 22,378,800.72-30,882,699.64-12,589,251.76

Finding the Fourth Proportional to 22,378,800.72, 30,882,699.64 and 12,589,251.76

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Solution

The fourth proportional to 22,378,800.72, 30,882,699.64 and 12,589,251.76 is: 17,373,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,800.72 : 30,882,699.64 = 12,589,251.76 : x
  2. Step 2: Convert to fraction form
    22,378,800.72/30,882,699.64 = 12,589,251.76/x
  3. Step 3: Cross multiply
    22,378,800.72x = 30,882,699.64 × 12,589,251.76
  4. Step 4: Simplify right side
    22,378,800.72x = 388,790,080,796,421.38
  5. Step 5: Solve for x
    x = 388,790,080,796,421.38/22,378,800.72
  6. Step 6: Final answer
    x = 17,373,141.92

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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.