Home / 32,981,668.12-45,495,792.04-20,570,213.80

Finding the Fourth Proportional to 32,981,668.12, 45,495,792.04 and 20,570,213.80

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Solution

The fourth proportional to 32,981,668.12, 45,495,792.04 and 20,570,213.80 is: 28,375,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981,668.12 : 45,495,792.04 = 20,570,213.80 : x
  2. Step 2: Convert to fraction form
    32,981,668.12/45,495,792.04 = 20,570,213.80/x
  3. Step 3: Cross multiply
    32,981,668.12x = 45,495,792.04 × 20,570,213.80
  4. Step 4: Simplify right side
    32,981,668.12x = 935,858,169,263,138.12
  5. Step 5: Solve for x
    x = 935,858,169,263,138.12/32,981,668.12
  6. Step 6: Final answer
    x = 28,375,101.16

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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.