Home / 13,525,443.36-18,654,228.45-11,890,354.68

Finding the Fourth Proportional to 13,525,443.36, 18,654,228.45 and 11,890,354.68

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Solution

The fourth proportional to 13,525,443.36, 18,654,228.45 and 11,890,354.68 is: 16,399,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,443.36 : 18,654,228.45 = 11,890,354.68 : x
  2. Step 2: Convert to fraction form
    13,525,443.36/18,654,228.45 = 11,890,354.68/x
  3. Step 3: Cross multiply
    13,525,443.36x = 18,654,228.45 × 11,890,354.68
  4. Step 4: Simplify right side
    13,525,443.36x = 221,805,392,552,246.62
  5. Step 5: Solve for x
    x = 221,805,392,552,246.62/13,525,443.36
  6. Step 6: Final answer
    x = 16,399,121.76

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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.