Home / 21,169,482.80-29,215,647.05-11,751,160.23

Finding the Fourth Proportional to 21,169,482.80, 29,215,647.05 and 11,751,160.23

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Solution

The fourth proportional to 21,169,482.80, 29,215,647.05 and 11,751,160.23 is: 16,217,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,482.80 : 29,215,647.05 = 11,751,160.23 : x
  2. Step 2: Convert to fraction form
    21,169,482.80/29,215,647.05 = 11,751,160.23/x
  3. Step 3: Cross multiply
    21,169,482.80x = 29,215,647.05 × 11,751,160.23
  4. Step 4: Simplify right side
    21,169,482.80x = 343,317,749,648,921.06
  5. Step 5: Solve for x
    x = 343,317,749,648,921.06/21,169,482.80
  6. Step 6: Final answer
    x = 16,217,578.53

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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.