Home / 19,904,692.85-29,831,791.77-8,963,208.39

Finding the Fourth Proportional to 19,904,692.85, 29,831,791.77 and 8,963,208.39

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Solution

The fourth proportional to 19,904,692.85, 29,831,791.77 and 8,963,208.39 is: 13,433,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904,692.85 : 29,831,791.77 = 8,963,208.39 : x
  2. Step 2: Convert to fraction form
    19,904,692.85/29,831,791.77 = 8,963,208.39/x
  3. Step 3: Cross multiply
    19,904,692.85x = 29,831,791.77 × 8,963,208.39
  4. Step 4: Simplify right side
    19,904,692.85x = 267,388,566,281,596.97
  5. Step 5: Solve for x
    x = 267,388,566,281,596.97/19,904,692.85
  6. Step 6: Final answer
    x = 13,433,443.48

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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.