Home / 36,121,502.90-49,847,708.14-20,651,911.50

Finding the Fourth Proportional to 36,121,502.90, 49,847,708.14 and 20,651,911.50

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Solution

The fourth proportional to 36,121,502.90, 49,847,708.14 and 20,651,911.50 is: 28,499,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,502.90 : 49,847,708.14 = 20,651,911.50 : x
  2. Step 2: Convert to fraction form
    36,121,502.90/49,847,708.14 = 20,651,911.50/x
  3. Step 3: Cross multiply
    36,121,502.90x = 49,847,708.14 × 20,651,911.50
  4. Step 4: Simplify right side
    36,121,502.90x = 1,029,450,456,985,109.62
  5. Step 5: Solve for x
    x = 1,029,450,456,985,109.62/36,121,502.90
  6. Step 6: Final answer
    x = 28,499,657.39

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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.