Home / 21,409,205.03-29,544,732.09-11,619,649.31

Finding the Fourth Proportional to 21,409,205.03, 29,544,732.09 and 11,619,649.31

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Solution

The fourth proportional to 21,409,205.03, 29,544,732.09 and 11,619,649.31 is: 16,035,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,205.03 : 29,544,732.09 = 11,619,649.31 : x
  2. Step 2: Convert to fraction form
    21,409,205.03/29,544,732.09 = 11,619,649.31/x
  3. Step 3: Cross multiply
    21,409,205.03x = 29,544,732.09 × 11,619,649.31
  4. Step 4: Simplify right side
    21,409,205.03x = 343,299,425,917,565.19
  5. Step 5: Solve for x
    x = 343,299,425,917,565.19/21,409,205.03
  6. Step 6: Final answer
    x = 16,035,131.88

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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.