Home / 9,876,862.20-14,846,786.10-9,309,991.80

Finding the Fourth Proportional to 9,876,862.20, 14,846,786.10 and 9,309,991.80

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Solution

The fourth proportional to 9,876,862.20, 14,846,786.10 and 9,309,991.80 is: 13,994,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,862.20 : 14,846,786.10 = 9,309,991.80 : x
  2. Step 2: Convert to fraction form
    9,876,862.20/14,846,786.10 = 9,309,991.80/x
  3. Step 3: Cross multiply
    9,876,862.20x = 14,846,786.10 × 9,309,991.80
  4. Step 4: Simplify right side
    9,876,862.20x = 138,223,456,847,353.98
  5. Step 5: Solve for x
    x = 138,223,456,847,353.98/9,876,862.20
  6. Step 6: Final answer
    x = 13,994,673.01

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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.