Home / 12,621,006-17,416,618.92-7,114,703.76

Finding the Fourth Proportional to 12,621,006, 17,416,618.92 and 7,114,703.76

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Solution

The fourth proportional to 12,621,006, 17,416,618.92 and 7,114,703.76 is: 9,818,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,006 : 17,416,618.92 = 7,114,703.76 : x
  2. Step 2: Convert to fraction form
    12,621,006/17,416,618.92 = 7,114,703.76/x
  3. Step 3: Cross multiply
    12,621,006x = 17,416,618.92 × 7,114,703.76
  4. Step 4: Simplify right side
    12,621,006x = 123,914,084,116,611.14
  5. Step 5: Solve for x
    x = 123,914,084,116,611.14/12,621,006
  6. Step 6: Final answer
    x = 9,818,082.97

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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.