Home / 15,290,791.97-21,096,542.88-8,674,291.35

Finding the Fourth Proportional to 15,290,791.97, 21,096,542.88 and 8,674,291.35

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Solution

The fourth proportional to 15,290,791.97, 21,096,542.88 and 8,674,291.35 is: 11,967,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,791.97 : 21,096,542.88 = 8,674,291.35 : x
  2. Step 2: Convert to fraction form
    15,290,791.97/21,096,542.88 = 8,674,291.35/x
  3. Step 3: Cross multiply
    15,290,791.97x = 21,096,542.88 × 8,674,291.35
  4. Step 4: Simplify right side
    15,290,791.97x = 182,997,559,418,888.06
  5. Step 5: Solve for x
    x = 182,997,559,418,888.06/15,290,791.97
  6. Step 6: Final answer
    x = 11,967,827.42

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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.