Home / 18,667,217.55-27,984,237.53-12,280,529.55

Finding the Fourth Proportional to 18,667,217.55, 27,984,237.53 and 12,280,529.55

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Solution

The fourth proportional to 18,667,217.55, 27,984,237.53 and 12,280,529.55 is: 18,409,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,217.55 : 27,984,237.53 = 12,280,529.55 : x
  2. Step 2: Convert to fraction form
    18,667,217.55/27,984,237.53 = 12,280,529.55/x
  3. Step 3: Cross multiply
    18,667,217.55x = 27,984,237.53 × 12,280,529.55
  4. Step 4: Simplify right side
    18,667,217.55x = 343,661,255,859,981.38
  5. Step 5: Solve for x
    x = 343,661,255,859,981.38/18,667,217.55
  6. Step 6: Final answer
    x = 18,409,881.12

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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.