Home / 6,475,215.90-9,715,545.45-3,479,900.70

Finding the Fourth Proportional to 6,475,215.90, 9,715,545.45 and 3,479,900.70

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Solution

The fourth proportional to 6,475,215.90, 9,715,545.45 and 3,479,900.70 is: 5,221,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,215.90 : 9,715,545.45 = 3,479,900.70 : x
  2. Step 2: Convert to fraction form
    6,475,215.90/9,715,545.45 = 3,479,900.70/x
  3. Step 3: Cross multiply
    6,475,215.90x = 9,715,545.45 × 3,479,900.70
  4. Step 4: Simplify right side
    6,475,215.90x = 33,809,133,412,336.81
  5. Step 5: Solve for x
    x = 33,809,133,412,336.81/6,475,215.90
  6. Step 6: Final answer
    x = 5,221,313.69

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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.