Home / 8,493,843.87-11,724,065.96-5,779,164.51

Finding the Fourth Proportional to 8,493,843.87, 11,724,065.96 and 5,779,164.51

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Solution

The fourth proportional to 8,493,843.87, 11,724,065.96 and 5,779,164.51 is: 7,976,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493,843.87 : 11,724,065.96 = 5,779,164.51 : x
  2. Step 2: Convert to fraction form
    8,493,843.87/11,724,065.96 = 5,779,164.51/x
  3. Step 3: Cross multiply
    8,493,843.87x = 11,724,065.96 × 5,779,164.51
  4. Step 4: Simplify right side
    8,493,843.87x = 67,755,305,880,035.26
  5. Step 5: Solve for x
    x = 67,755,305,880,035.26/8,493,843.87
  6. Step 6: Final answer
    x = 7,976,989.80

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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.