Home / 13,380,202.69-18,464,679.71-7,268,631.19

Finding the Fourth Proportional to 13,380,202.69, 18,464,679.71 and 7,268,631.19

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Solution

The fourth proportional to 13,380,202.69, 18,464,679.71 and 7,268,631.19 is: 10,030,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,202.69 : 18,464,679.71 = 7,268,631.19 : x
  2. Step 2: Convert to fraction form
    13,380,202.69/18,464,679.71 = 7,268,631.19/x
  3. Step 3: Cross multiply
    13,380,202.69x = 18,464,679.71 × 7,268,631.19
  4. Step 4: Simplify right side
    13,380,202.69x = 134,212,946,798,218.66
  5. Step 5: Solve for x
    x = 134,212,946,798,218.66/13,380,202.69
  6. Step 6: Final answer
    x = 10,030,711.04

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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.