Home / 13,206,482.25-18,217,224.21-8,303,942.67

Finding the Fourth Proportional to 13,206,482.25, 18,217,224.21 and 8,303,942.67

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Solution

The fourth proportional to 13,206,482.25, 18,217,224.21 and 8,303,942.67 is: 11,454,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,482.25 : 18,217,224.21 = 8,303,942.67 : x
  2. Step 2: Convert to fraction form
    13,206,482.25/18,217,224.21 = 8,303,942.67/x
  3. Step 3: Cross multiply
    13,206,482.25x = 18,217,224.21 × 8,303,942.67
  4. Step 4: Simplify right side
    13,206,482.25x = 151,274,785,477,515.84
  5. Step 5: Solve for x
    x = 151,274,785,477,515.84/13,206,482.25
  6. Step 6: Final answer
    x = 11,454,585.91

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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.