Home / 13,472,418.69-18,591,943.77-7,277,464.98

Finding the Fourth Proportional to 13,472,418.69, 18,591,943.77 and 7,277,464.98

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Solution

The fourth proportional to 13,472,418.69, 18,591,943.77 and 7,277,464.98 is: 10,042,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,418.69 : 18,591,943.77 = 7,277,464.98 : x
  2. Step 2: Convert to fraction form
    13,472,418.69/18,591,943.77 = 7,277,464.98/x
  3. Step 3: Cross multiply
    13,472,418.69x = 18,591,943.77 × 7,277,464.98
  4. Step 4: Simplify right side
    13,472,418.69x = 135,302,219,696,304.17
  5. Step 5: Solve for x
    x = 135,302,219,696,304.17/13,472,418.69
  6. Step 6: Final answer
    x = 10,042,904.90

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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.