Home / 36,909,370.85-50,936,479.32-21,228,399.72

Finding the Fourth Proportional to 36,909,370.85, 50,936,479.32 and 21,228,399.72

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Solution

The fourth proportional to 36,909,370.85, 50,936,479.32 and 21,228,399.72 is: 29,296,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909,370.85 : 50,936,479.32 = 21,228,399.72 : x
  2. Step 2: Convert to fraction form
    36,909,370.85/50,936,479.32 = 21,228,399.72/x
  3. Step 3: Cross multiply
    36,909,370.85x = 50,936,479.32 × 21,228,399.72
  4. Step 4: Simplify right side
    36,909,370.85x = 1,081,299,943,334,473.75
  5. Step 5: Solve for x
    x = 1,081,299,943,334,473.75/36,909,370.85
  6. Step 6: Final answer
    x = 29,296,081.68

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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.