Home / 10,689,101.20-16,033,651.80-9,361,997.20

Finding the Fourth Proportional to 10,689,101.20, 16,033,651.80 and 9,361,997.20

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Solution

The fourth proportional to 10,689,101.20, 16,033,651.80 and 9,361,997.20 is: 14,042,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,101.20 : 16,033,651.80 = 9,361,997.20 : x
  2. Step 2: Convert to fraction form
    10,689,101.20/16,033,651.80 = 9,361,997.20/x
  3. Step 3: Cross multiply
    10,689,101.20x = 16,033,651.80 × 9,361,997.20
  4. Step 4: Simplify right side
    10,689,101.20x = 150,107,003,257,374.97
  5. Step 5: Solve for x
    x = 150,107,003,257,374.97/10,689,101.20
  6. Step 6: Final answer
    x = 14,042,995.80

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1.5x scale

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.