Home / 20,830,918.07-31,234,986.92-16,540,528.43

Finding the Fourth Proportional to 20,830,918.07, 31,234,986.92 and 16,540,528.43

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Solution

The fourth proportional to 20,830,918.07, 31,234,986.92 and 16,540,528.43 is: 24,801,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,918.07 : 31,234,986.92 = 16,540,528.43 : x
  2. Step 2: Convert to fraction form
    20,830,918.07/31,234,986.92 = 16,540,528.43/x
  3. Step 3: Cross multiply
    20,830,918.07x = 31,234,986.92 × 16,540,528.43
  4. Step 4: Simplify right side
    20,830,918.07x = 516,643,189,280,376.88
  5. Step 5: Solve for x
    x = 516,643,189,280,376.88/20,830,918.07
  6. Step 6: Final answer
    x = 24,801,748.41

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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.