Home / 20,830,918.46-31,234,987.49-16,540,528.82

Finding the Fourth Proportional to 20,830,918.46, 31,234,987.49 and 16,540,528.82

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Solution

The fourth proportional to 20,830,918.46, 31,234,987.49 and 16,540,528.82 is: 24,801,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,918.46 : 31,234,987.49 = 16,540,528.82 : x
  2. Step 2: Convert to fraction form
    20,830,918.46/31,234,987.49 = 16,540,528.82/x
  3. Step 3: Cross multiply
    20,830,918.46x = 31,234,987.49 × 16,540,528.82
  4. Step 4: Simplify right side
    20,830,918.46x = 516,643,210,531,806.88
  5. Step 5: Solve for x
    x = 516,643,210,531,806.88/20,830,918.46
  6. Step 6: Final answer
    x = 24,801,748.98

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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.