Home / 6,912,028.30-10,368,042.45-6,870,037.90

Finding the Fourth Proportional to 6,912,028.30, 10,368,042.45 and 6,870,037.90

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Solution

The fourth proportional to 6,912,028.30, 10,368,042.45 and 6,870,037.90 is: 10,305,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,028.30 : 10,368,042.45 = 6,870,037.90 : x
  2. Step 2: Convert to fraction form
    6,912,028.30/10,368,042.45 = 6,870,037.90/x
  3. Step 3: Cross multiply
    6,912,028.30x = 10,368,042.45 × 6,870,037.90
  4. Step 4: Simplify right side
    6,912,028.30x = 71,228,844,580,308.86
  5. Step 5: Solve for x
    x = 71,228,844,580,308.86/6,912,028.30
  6. Step 6: Final answer
    x = 10,305,056.85

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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.