Home / 10,692,149.80-16,019,562.30-9,199,157.80

Finding the Fourth Proportional to 10,692,149.80, 16,019,562.30 and 9,199,157.80

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Solution

The fourth proportional to 10,692,149.80, 16,019,562.30 and 9,199,157.80 is: 13,782,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,149.80 : 16,019,562.30 = 9,199,157.80 : x
  2. Step 2: Convert to fraction form
    10,692,149.80/16,019,562.30 = 9,199,157.80/x
  3. Step 3: Cross multiply
    10,692,149.80x = 16,019,562.30 × 9,199,157.80
  4. Step 4: Simplify right side
    10,692,149.80x = 147,366,481,484,630.97
  5. Step 5: Solve for x
    x = 147,366,481,484,630.97/10,692,149.80
  6. Step 6: Final answer
    x = 13,782,680.21

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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.