Home / 10,921,116.20-16,381,674.30-2,942,940.20

Finding the Fourth Proportional to 10,921,116.20, 16,381,674.30 and 2,942,940.20

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Solution

The fourth proportional to 10,921,116.20, 16,381,674.30 and 2,942,940.20 is: 4,414,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,116.20 : 16,381,674.30 = 2,942,940.20 : x
  2. Step 2: Convert to fraction form
    10,921,116.20/16,381,674.30 = 2,942,940.20/x
  3. Step 3: Cross multiply
    10,921,116.20x = 16,381,674.30 × 2,942,940.20
  4. Step 4: Simplify right side
    10,921,116.20x = 48,210,287,840,776.87
  5. Step 5: Solve for x
    x = 48,210,287,840,776.87/10,921,116.20
  6. Step 6: Final answer
    x = 4,414,410.30

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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.