Home / 21,477,101.46-29,638,404.84-11,819,309.46

Finding the Fourth Proportional to 21,477,101.46, 29,638,404.84 and 11,819,309.46

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Solution

The fourth proportional to 21,477,101.46, 29,638,404.84 and 11,819,309.46 is: 16,310,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,101.46 : 29,638,404.84 = 11,819,309.46 : x
  2. Step 2: Convert to fraction form
    21,477,101.46/29,638,404.84 = 11,819,309.46/x
  3. Step 3: Cross multiply
    21,477,101.46x = 29,638,404.84 × 11,819,309.46
  4. Step 4: Simplify right side
    21,477,101.46x = 350,305,478,704,721.81
  5. Step 5: Solve for x
    x = 350,305,478,704,721.81/21,477,101.46
  6. Step 6: Final answer
    x = 16,310,649.71

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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.