Home / 8,400,320.40-12,592,186.20-4,136,998.80

Finding the Fourth Proportional to 8,400,320.40, 12,592,186.20 and 4,136,998.80

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Solution

The fourth proportional to 8,400,320.40, 12,592,186.20 and 4,136,998.80 is: 6,201,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,320.40 : 12,592,186.20 = 4,136,998.80 : x
  2. Step 2: Convert to fraction form
    8,400,320.40/12,592,186.20 = 4,136,998.80/x
  3. Step 3: Cross multiply
    8,400,320.40x = 12,592,186.20 × 4,136,998.80
  4. Step 4: Simplify right side
    8,400,320.40x = 52,093,859,198,776.55
  5. Step 5: Solve for x
    x = 52,093,859,198,776.55/8,400,320.40
  6. Step 6: Final answer
    x = 6,201,413.36

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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.