Home / 30,332,612.80-45,404,440.80-21,829,556.80

Finding the Fourth Proportional to 30,332,612.80, 45,404,440.80 and 21,829,556.80

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Solution

The fourth proportional to 30,332,612.80, 45,404,440.80 and 21,829,556.80 is: 32,676,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332,612.80 : 45,404,440.80 = 21,829,556.80 : x
  2. Step 2: Convert to fraction form
    30,332,612.80/45,404,440.80 = 21,829,556.80/x
  3. Step 3: Cross multiply
    30,332,612.80x = 45,404,440.80 × 21,829,556.80
  4. Step 4: Simplify right side
    30,332,612.80x = 991,158,819,415,837.38
  5. Step 5: Solve for x
    x = 991,158,819,415,837.38/30,332,612.80
  6. Step 6: Final answer
    x = 32,676,341.66

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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.