Home / 8,685,791.28-13,028,781.24-2,620,577.34

Finding the Fourth Proportional to 8,685,791.28, 13,028,781.24 and 2,620,577.34

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Solution

The fourth proportional to 8,685,791.28, 13,028,781.24 and 2,620,577.34 is: 3,930,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,791.28 : 13,028,781.24 = 2,620,577.34 : x
  2. Step 2: Convert to fraction form
    8,685,791.28/13,028,781.24 = 2,620,577.34/x
  3. Step 3: Cross multiply
    8,685,791.28x = 13,028,781.24 × 2,620,577.34
  4. Step 4: Simplify right side
    8,685,791.28x = 34,142,928,885,361.10
  5. Step 5: Solve for x
    x = 34,142,928,885,361.10/8,685,791.28
  6. Step 6: Final answer
    x = 3,930,894.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.