Home / 15,266,450.13-21,067,863.80-8,297,127.51

Finding the Fourth Proportional to 15,266,450.13, 21,067,863.80 and 8,297,127.51

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Solution

The fourth proportional to 15,266,450.13, 21,067,863.80 and 8,297,127.51 is: 11,450,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266,450.13 : 21,067,863.80 = 8,297,127.51 : x
  2. Step 2: Convert to fraction form
    15,266,450.13/21,067,863.80 = 8,297,127.51/x
  3. Step 3: Cross multiply
    15,266,450.13x = 21,067,863.80 × 8,297,127.51
  4. Step 4: Simplify right side
    15,266,450.13x = 174,802,752,270,427.50
  5. Step 5: Solve for x
    x = 174,802,752,270,427.50/15,266,450.13
  6. Step 6: Final answer
    x = 11,450,124.34

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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.