Home / 7,538,151.77-11,308,488.85-5,918,855.28

Finding the Fourth Proportional to 7,538,151.77, 11,308,488.85 and 5,918,855.28

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Solution

The fourth proportional to 7,538,151.77, 11,308,488.85 and 5,918,855.28 is: 8,879,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,151.77 : 11,308,488.85 = 5,918,855.28 : x
  2. Step 2: Convert to fraction form
    7,538,151.77/11,308,488.85 = 5,918,855.28/x
  3. Step 3: Cross multiply
    7,538,151.77x = 11,308,488.85 × 5,918,855.28
  4. Step 4: Simplify right side
    7,538,151.77x = 66,933,308,881,439.66
  5. Step 5: Solve for x
    x = 66,933,308,881,439.66/7,538,151.77
  6. Step 6: Final answer
    x = 8,879,273.19

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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.