Home / 8,259,692.51-12,389,782.98-3,942,197.61

Finding the Fourth Proportional to 8,259,692.51, 12,389,782.98 and 3,942,197.61

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Solution

The fourth proportional to 8,259,692.51, 12,389,782.98 and 3,942,197.61 is: 5,913,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259,692.51 : 12,389,782.98 = 3,942,197.61 : x
  2. Step 2: Convert to fraction form
    8,259,692.51/12,389,782.98 = 3,942,197.61/x
  3. Step 3: Cross multiply
    8,259,692.51x = 12,389,782.98 × 3,942,197.61
  4. Step 4: Simplify right side
    8,259,692.51x = 48,842,972,852,174.68
  5. Step 5: Solve for x
    x = 48,842,972,852,174.68/8,259,692.51
  6. Step 6: Final answer
    x = 5,913,412.98

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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.