Home / 10,861,786.80-16,250,689.80-7,082,650.80

Finding the Fourth Proportional to 10,861,786.80, 16,250,689.80 and 7,082,650.80

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Solution

The fourth proportional to 10,861,786.80, 16,250,689.80 and 7,082,650.80 is: 10,596,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,786.80 : 16,250,689.80 = 7,082,650.80 : x
  2. Step 2: Convert to fraction form
    10,861,786.80/16,250,689.80 = 7,082,650.80/x
  3. Step 3: Cross multiply
    10,861,786.80x = 16,250,689.80 × 7,082,650.80
  4. Step 4: Simplify right side
    10,861,786.80x = 115,097,961,112,521.84
  5. Step 5: Solve for x
    x = 115,097,961,112,521.84/10,861,786.80
  6. Step 6: Final answer
    x = 10,596,595.50

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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.