Home / 36,387,328.92-54,581,842.27-12,128,228.25

Finding the Fourth Proportional to 36,387,328.92, 54,581,842.27 and 12,128,228.25

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Solution

The fourth proportional to 36,387,328.92, 54,581,842.27 and 12,128,228.25 is: 18,192,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387,328.92 : 54,581,842.27 = 12,128,228.25 : x
  2. Step 2: Convert to fraction form
    36,387,328.92/54,581,842.27 = 12,128,228.25/x
  3. Step 3: Cross multiply
    36,387,328.92x = 54,581,842.27 × 12,128,228.25
  4. Step 4: Simplify right side
    36,387,328.92x = 661,981,041,166,536.50
  5. Step 5: Solve for x
    x = 661,981,041,166,536.50/36,387,328.92
  6. Step 6: Final answer
    x = 18,192,625.31

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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.