Home / 22,429,241.40-30,952,380.81-12,115,964.64

Finding the Fourth Proportional to 22,429,241.40, 30,952,380.81 and 12,115,964.64

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Solution

The fourth proportional to 22,429,241.40, 30,952,380.81 and 12,115,964.64 is: 16,720,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429,241.40 : 30,952,380.81 = 12,115,964.64 : x
  2. Step 2: Convert to fraction form
    22,429,241.40/30,952,380.81 = 12,115,964.64/x
  3. Step 3: Cross multiply
    22,429,241.40x = 30,952,380.81 × 12,115,964.64
  4. Step 4: Simplify right side
    22,429,241.40x = 375,017,951,417,774.56
  5. Step 5: Solve for x
    x = 375,017,951,417,774.56/22,429,241.40
  6. Step 6: Final answer
    x = 16,720,046.15

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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.