Home / 40,476,740.48-55,857,883.20-22,142,021.12

Finding the Fourth Proportional to 40,476,740.48, 55,857,883.20 and 22,142,021.12

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Solution

The fourth proportional to 40,476,740.48, 55,857,883.20 and 22,142,021.12 is: 30,555,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,740.48 : 55,857,883.20 = 22,142,021.12 : x
  2. Step 2: Convert to fraction form
    40,476,740.48/55,857,883.20 = 22,142,021.12/x
  3. Step 3: Cross multiply
    40,476,740.48x = 55,857,883.20 × 22,142,021.12
  4. Step 4: Simplify right side
    40,476,740.48x = 1,236,806,429,532,893.25
  5. Step 5: Solve for x
    x = 1,236,806,429,532,893.25/40,476,740.48
  6. Step 6: Final answer
    x = 30,555,978.94

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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.