Home / 12,679,692.48-17,498,019.94-6,878,515.52

Finding the Fourth Proportional to 12,679,692.48, 17,498,019.94 and 6,878,515.52

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Solution

The fourth proportional to 12,679,692.48, 17,498,019.94 and 6,878,515.52 is: 9,492,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,692.48 : 17,498,019.94 = 6,878,515.52 : x
  2. Step 2: Convert to fraction form
    12,679,692.48/17,498,019.94 = 6,878,515.52/x
  3. Step 3: Cross multiply
    12,679,692.48x = 17,498,019.94 × 6,878,515.52
  4. Step 4: Simplify right side
    12,679,692.48x = 120,360,401,726,559.47
  5. Step 5: Solve for x
    x = 120,360,401,726,559.47/12,679,692.48
  6. Step 6: Final answer
    x = 9,492,375.46

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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.