Home / 21,150,400-29,187,726.96-11,492,608

Finding the Fourth Proportional to 21,150,400, 29,187,726.96 and 11,492,608

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Solution

The fourth proportional to 21,150,400, 29,187,726.96 and 11,492,608 is: 15,859,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,400 : 29,187,726.96 = 11,492,608 : x
  2. Step 2: Convert to fraction form
    21,150,400/29,187,726.96 = 11,492,608/x
  3. Step 3: Cross multiply
    21,150,400x = 29,187,726.96 × 11,492,608
  4. Step 4: Simplify right side
    21,150,400x = 335,443,104,362,311.69
  5. Step 5: Solve for x
    x = 335,443,104,362,311.69/21,150,400
  6. Step 6: Final answer
    x = 15,859,894.11

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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.