Home / 21,718,005.58-29,971,208.82-11,929,355.56

Finding the Fourth Proportional to 21,718,005.58, 29,971,208.82 and 11,929,355.56

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Solution

The fourth proportional to 21,718,005.58, 29,971,208.82 and 11,929,355.56 is: 16,462,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718,005.58 : 29,971,208.82 = 11,929,355.56 : x
  2. Step 2: Convert to fraction form
    21,718,005.58/29,971,208.82 = 11,929,355.56/x
  3. Step 3: Cross multiply
    21,718,005.58x = 29,971,208.82 × 11,929,355.56
  4. Step 4: Simplify right side
    21,718,005.58x = 357,537,206,576,788.06
  5. Step 5: Solve for x
    x = 357,537,206,576,788.06/21,718,005.58
  6. Step 6: Final answer
    x = 16,462,709.03

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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.