Home / 13,683,901.38-18,883,791.24-7,488,944.46

Finding the Fourth Proportional to 13,683,901.38, 18,883,791.24 and 7,488,944.46

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Solution

The fourth proportional to 13,683,901.38, 18,883,791.24 and 7,488,944.46 is: 10,334,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,901.38 : 18,883,791.24 = 7,488,944.46 : x
  2. Step 2: Convert to fraction form
    13,683,901.38/18,883,791.24 = 7,488,944.46/x
  3. Step 3: Cross multiply
    13,683,901.38x = 18,883,791.24 × 7,488,944.46
  4. Step 4: Simplify right side
    13,683,901.38x = 141,419,663,790,594.53
  5. Step 5: Solve for x
    x = 141,419,663,790,594.53/13,683,901.38
  6. Step 6: Final answer
    x = 10,334,747.37

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1.5x scale

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.