Home / 18,936,667.92-28,406,197.66-8,004,819.08

Finding the Fourth Proportional to 18,936,667.92, 28,406,197.66 and 8,004,819.08

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Solution

The fourth proportional to 18,936,667.92, 28,406,197.66 and 8,004,819.08 is: 12,007,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,667.92 : 28,406,197.66 = 8,004,819.08 : x
  2. Step 2: Convert to fraction form
    18,936,667.92/28,406,197.66 = 8,004,819.08/x
  3. Step 3: Cross multiply
    18,936,667.92x = 28,406,197.66 × 8,004,819.08
  4. Step 4: Simplify right side
    18,936,667.92x = 227,386,473,019,019.34
  5. Step 5: Solve for x
    x = 227,386,473,019,019.34/18,936,667.92
  6. Step 6: Final answer
    x = 12,007,734.09

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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.