Home / 13,338,736.25-18,407,468.15-7,227,164.75

Finding the Fourth Proportional to 13,338,736.25, 18,407,468.15 and 7,227,164.75

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Solution

The fourth proportional to 13,338,736.25, 18,407,468.15 and 7,227,164.75 is: 9,973,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,736.25 : 18,407,468.15 = 7,227,164.75 : x
  2. Step 2: Convert to fraction form
    13,338,736.25/18,407,468.15 = 7,227,164.75/x
  3. Step 3: Cross multiply
    13,338,736.25x = 18,407,468.15 × 7,227,164.75
  4. Step 4: Simplify right side
    13,338,736.25x = 133,033,804,822,254.55
  5. Step 5: Solve for x
    x = 133,033,804,822,254.55/13,338,736.25
  6. Step 6: Final answer
    x = 9,973,493.92

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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.