Home / 6,521,010.70-9,777,628.05-3,998,476.30

Finding the Fourth Proportional to 6,521,010.70, 9,777,628.05 and 3,998,476.30

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Solution

The fourth proportional to 6,521,010.70, 9,777,628.05 and 3,998,476.30 is: 5,995,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521,010.70 : 9,777,628.05 = 3,998,476.30 : x
  2. Step 2: Convert to fraction form
    6,521,010.70/9,777,628.05 = 3,998,476.30/x
  3. Step 3: Cross multiply
    6,521,010.70x = 9,777,628.05 × 3,998,476.30
  4. Step 4: Simplify right side
    6,521,010.70x = 39,095,614,028,140.22
  5. Step 5: Solve for x
    x = 39,095,614,028,140.22/6,521,010.70
  6. Step 6: Final answer
    x = 5,995,330.45

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1.5x scale

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.