Home / 6,661,458.13-9,977,053.57-5,213,115.33

Finding the Fourth Proportional to 6,661,458.13, 9,977,053.57 and 5,213,115.33

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Solution

The fourth proportional to 6,661,458.13, 9,977,053.57 and 5,213,115.33 is: 7,807,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,458.13 : 9,977,053.57 = 5,213,115.33 : x
  2. Step 2: Convert to fraction form
    6,661,458.13/9,977,053.57 = 5,213,115.33/x
  3. Step 3: Cross multiply
    6,661,458.13x = 9,977,053.57 × 5,213,115.33
  4. Step 4: Simplify right side
    6,661,458.13x = 52,011,530,864,112.96
  5. Step 5: Solve for x
    x = 52,011,530,864,112.96/6,661,458.13
  6. Step 6: Final answer
    x = 7,807,829.74

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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.