Home / 18,953,758.77-26,172,131.00-11,996,709.45

Finding the Fourth Proportional to 18,953,758.77, 26,172,131.00 and 11,996,709.45

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Solution

The fourth proportional to 18,953,758.77, 26,172,131.00 and 11,996,709.45 is: 16,565,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,758.77 : 26,172,131.00 = 11,996,709.45 : x
  2. Step 2: Convert to fraction form
    18,953,758.77/26,172,131.00 = 11,996,709.45/x
  3. Step 3: Cross multiply
    18,953,758.77x = 26,172,131.00 × 11,996,709.45
  4. Step 4: Simplify right side
    18,953,758.77x = 313,979,451,234,354.38
  5. Step 5: Solve for x
    x = 313,979,451,234,354.38/18,953,758.77
  6. Step 6: Final answer
    x = 16,565,550.67

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Double scale
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Similar ratio
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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.