Home / 20,212,973.12-30,335,182.26-14,108,044.64

Finding the Fourth Proportional to 20,212,973.12, 30,335,182.26 and 14,108,044.64

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Solution

The fourth proportional to 20,212,973.12, 30,335,182.26 and 14,108,044.64 is: 21,173,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,973.12 : 30,335,182.26 = 14,108,044.64 : x
  2. Step 2: Convert to fraction form
    20,212,973.12/30,335,182.26 = 14,108,044.64/x
  3. Step 3: Cross multiply
    20,212,973.12x = 30,335,182.26 × 14,108,044.64
  4. Step 4: Simplify right side
    20,212,973.12x = 427,970,105,486,616.12
  5. Step 5: Solve for x
    x = 427,970,105,486,616.12/20,212,973.12
  6. Step 6: Final answer
    x = 21,173,040.85

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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.