Home / 13,472,419.69-18,591,945.15-7,277,465.98

Finding the Fourth Proportional to 13,472,419.69, 18,591,945.15 and 7,277,465.98

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Solution

The fourth proportional to 13,472,419.69, 18,591,945.15 and 7,277,465.98 is: 10,042,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,419.69 : 18,591,945.15 = 7,277,465.98 : x
  2. Step 2: Convert to fraction form
    13,472,419.69/18,591,945.15 = 7,277,465.98/x
  3. Step 3: Cross multiply
    13,472,419.69x = 18,591,945.15 × 7,277,465.98
  4. Step 4: Simplify right side
    13,472,419.69x = 135,302,248,331,151
  5. Step 5: Solve for x
    x = 135,302,248,331,151/13,472,419.69
  6. Step 6: Final answer
    x = 10,042,906.28

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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.