Home / 10,362,661.20-15,543,991.80-8,197,822.80

Finding the Fourth Proportional to 10,362,661.20, 15,543,991.80 and 8,197,822.80

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Solution

The fourth proportional to 10,362,661.20, 15,543,991.80 and 8,197,822.80 is: 12,296,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,661.20 : 15,543,991.80 = 8,197,822.80 : x
  2. Step 2: Convert to fraction form
    10,362,661.20/15,543,991.80 = 8,197,822.80/x
  3. Step 3: Cross multiply
    10,362,661.20x = 15,543,991.80 × 8,197,822.80
  4. Step 4: Simplify right side
    10,362,661.20x = 127,426,890,381,053.05
  5. Step 5: Solve for x
    x = 127,426,890,381,053.05/10,362,661.20
  6. Step 6: Final answer
    x = 12,296,734.20

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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.