Home / 13,456,141.70-20,184,212.55-11,861,818.70

Finding the Fourth Proportional to 13,456,141.70, 20,184,212.55 and 11,861,818.70

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Solution

The fourth proportional to 13,456,141.70, 20,184,212.55 and 11,861,818.70 is: 17,792,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,141.70 : 20,184,212.55 = 11,861,818.70 : x
  2. Step 2: Convert to fraction form
    13,456,141.70/20,184,212.55 = 11,861,818.70/x
  3. Step 3: Cross multiply
    13,456,141.70x = 20,184,212.55 × 11,861,818.70
  4. Step 4: Simplify right side
    13,456,141.70x = 239,421,469,870,364.69
  5. Step 5: Solve for x
    x = 239,421,469,870,364.69/13,456,141.70
  6. Step 6: Final answer
    x = 17,792,728.05

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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.