Home / 13,221,443.98-19,825,189.16-4,121,845.66

Finding the Fourth Proportional to 13,221,443.98, 19,825,189.16 and 4,121,845.66

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Solution

The fourth proportional to 13,221,443.98, 19,825,189.16 and 4,121,845.66 is: 6,180,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,443.98 : 19,825,189.16 = 4,121,845.66 : x
  2. Step 2: Convert to fraction form
    13,221,443.98/19,825,189.16 = 4,121,845.66/x
  3. Step 3: Cross multiply
    13,221,443.98x = 19,825,189.16 × 4,121,845.66
  4. Step 4: Simplify right side
    13,221,443.98x = 81,716,369,897,825.05
  5. Step 5: Solve for x
    x = 81,716,369,897,825.05/13,221,443.98
  6. Step 6: Final answer
    x = 6,180,593.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.