Home / 6,621,855.48-9,138,220.83-4,008,419.64

Finding the Fourth Proportional to 6,621,855.48, 9,138,220.83 and 4,008,419.64

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Solution

The fourth proportional to 6,621,855.48, 9,138,220.83 and 4,008,419.64 is: 5,531,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621,855.48 : 9,138,220.83 = 4,008,419.64 : x
  2. Step 2: Convert to fraction form
    6,621,855.48/9,138,220.83 = 4,008,419.64/x
  3. Step 3: Cross multiply
    6,621,855.48x = 9,138,220.83 × 4,008,419.64
  4. Step 4: Simplify right side
    6,621,855.48x = 36,629,823,849,629.10
  5. Step 5: Solve for x
    x = 36,629,823,849,629.10/6,621,855.48
  6. Step 6: Final answer
    x = 5,531,655.59

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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.