Home / 13,752,847.80-20,629,271.70-12,577,116.60

Finding the Fourth Proportional to 13,752,847.80, 20,629,271.70 and 12,577,116.60

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Solution

The fourth proportional to 13,752,847.80, 20,629,271.70 and 12,577,116.60 is: 18,865,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,847.80 : 20,629,271.70 = 12,577,116.60 : x
  2. Step 2: Convert to fraction form
    13,752,847.80/20,629,271.70 = 12,577,116.60/x
  3. Step 3: Cross multiply
    13,752,847.80x = 20,629,271.70 × 12,577,116.60
  4. Step 4: Simplify right side
    13,752,847.80x = 259,456,755,543,980.19
  5. Step 5: Solve for x
    x = 259,456,755,543,980.19/13,752,847.80
  6. Step 6: Final answer
    x = 18,865,674.90

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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.