Home / 18,147,104.40-27,220,656.60-16,761,421.20

Finding the Fourth Proportional to 18,147,104.40, 27,220,656.60 and 16,761,421.20

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Solution

The fourth proportional to 18,147,104.40, 27,220,656.60 and 16,761,421.20 is: 25,142,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,104.40 : 27,220,656.60 = 16,761,421.20 : x
  2. Step 2: Convert to fraction form
    18,147,104.40/27,220,656.60 = 16,761,421.20/x
  3. Step 3: Cross multiply
    18,147,104.40x = 27,220,656.60 × 16,761,421.20
  4. Step 4: Simplify right side
    18,147,104.40x = 456,256,890,613,159.94
  5. Step 5: Solve for x
    x = 456,256,890,613,159.94/18,147,104.40
  6. Step 6: Final answer
    x = 25,142,131.80

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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.