Home / 6,122,669.76-8,446,457.12-3,947,911.43

Finding the Fourth Proportional to 6,122,669.76, 8,446,457.12 and 3,947,911.43

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Solution

The fourth proportional to 6,122,669.76, 8,446,457.12 and 3,947,911.43 is: 5,446,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122,669.76 : 8,446,457.12 = 3,947,911.43 : x
  2. Step 2: Convert to fraction form
    6,122,669.76/8,446,457.12 = 3,947,911.43/x
  3. Step 3: Cross multiply
    6,122,669.76x = 8,446,457.12 × 3,947,911.43
  4. Step 4: Simplify right side
    6,122,669.76x = 33,345,864,545,081.04
  5. Step 5: Solve for x
    x = 33,345,864,545,081.04/6,122,669.76
  6. Step 6: Final answer
    x = 5,446,294.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.