Home / 13,664,810.92-18,857,436.24-7,469,883.67

Finding the Fourth Proportional to 13,664,810.92, 18,857,436.24 and 7,469,883.67

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Solution

The fourth proportional to 13,664,810.92, 18,857,436.24 and 7,469,883.67 is: 10,308,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,810.92 : 18,857,436.24 = 7,469,883.67 : x
  2. Step 2: Convert to fraction form
    13,664,810.92/18,857,436.24 = 7,469,883.67/x
  3. Step 3: Cross multiply
    13,664,810.92x = 18,857,436.24 × 7,469,883.67
  4. Step 4: Simplify right side
    13,664,810.92x = 140,862,855,027,242.19
  5. Step 5: Solve for x
    x = 140,862,855,027,242.19/13,664,810.92
  6. Step 6: Final answer
    x = 10,308,437.92

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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.