Home / 13,989,155.92-20,992,663.41-6,796,768.48

Finding the Fourth Proportional to 13,989,155.92, 20,992,663.41 and 6,796,768.48

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Solution

The fourth proportional to 13,989,155.92, 20,992,663.41 and 6,796,768.48 is: 10,199,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,155.92 : 20,992,663.41 = 6,796,768.48 : x
  2. Step 2: Convert to fraction form
    13,989,155.92/20,992,663.41 = 6,796,768.48/x
  3. Step 3: Cross multiply
    13,989,155.92x = 20,992,663.41 × 6,796,768.48
  4. Step 4: Simplify right side
    13,989,155.92x = 142,682,272,976,337.31
  5. Step 5: Solve for x
    x = 142,682,272,976,337.31/13,989,155.92
  6. Step 6: Final answer
    x = 10,199,491.22

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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.