Home / 15,848,467.05-21,870,965.22-8,974,288.65

Finding the Fourth Proportional to 15,848,467.05, 21,870,965.22 and 8,974,288.65

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Solution

The fourth proportional to 15,848,467.05, 21,870,965.22 and 8,974,288.65 is: 12,384,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848,467.05 : 21,870,965.22 = 8,974,288.65 : x
  2. Step 2: Convert to fraction form
    15,848,467.05/21,870,965.22 = 8,974,288.65/x
  3. Step 3: Cross multiply
    15,848,467.05x = 21,870,965.22 × 8,974,288.65
  4. Step 4: Simplify right side
    15,848,467.05x = 196,276,354,938,390.75
  5. Step 5: Solve for x
    x = 196,276,354,938,390.75/15,848,467.05
  6. Step 6: Final answer
    x = 12,384,564.03

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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.