Home / 7,028,607.72-10,535,366.43-2,981,680.86

Finding the Fourth Proportional to 7,028,607.72, 10,535,366.43 and 2,981,680.86

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Solution

The fourth proportional to 7,028,607.72, 10,535,366.43 and 2,981,680.86 is: 4,469,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,607.72 : 10,535,366.43 = 2,981,680.86 : x
  2. Step 2: Convert to fraction form
    7,028,607.72/10,535,366.43 = 2,981,680.86/x
  3. Step 3: Cross multiply
    7,028,607.72x = 10,535,366.43 × 2,981,680.86
  4. Step 4: Simplify right side
    7,028,607.72x = 31,413,100,437,417.53
  5. Step 5: Solve for x
    x = 31,413,100,437,417.53/7,028,607.72
  6. Step 6: Final answer
    x = 4,469,320.48

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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.