Home / 36,149,530.90-54,224,178.09-13,120,434.74

Finding the Fourth Proportional to 36,149,530.90, 54,224,178.09 and 13,120,434.74

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Solution

The fourth proportional to 36,149,530.90, 54,224,178.09 and 13,120,434.74 is: 19,680,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149,530.90 : 54,224,178.09 = 13,120,434.74 : x
  2. Step 2: Convert to fraction form
    36,149,530.90/54,224,178.09 = 13,120,434.74/x
  3. Step 3: Cross multiply
    36,149,530.90x = 54,224,178.09 × 13,120,434.74
  4. Step 4: Simplify right side
    36,149,530.90x = 711,444,789,959,982.88
  5. Step 5: Solve for x
    x = 711,444,789,959,982.88/36,149,530.90
  6. Step 6: Final answer
    x = 19,680,609.19

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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.