Home / 28,066,814.40-42,100,221.60-17,296,276.80

Finding the Fourth Proportional to 28,066,814.40, 42,100,221.60 and 17,296,276.80

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Solution

The fourth proportional to 28,066,814.40, 42,100,221.60 and 17,296,276.80 is: 25,944,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,814.40 : 42,100,221.60 = 17,296,276.80 : x
  2. Step 2: Convert to fraction form
    28,066,814.40/42,100,221.60 = 17,296,276.80/x
  3. Step 3: Cross multiply
    28,066,814.40x = 42,100,221.60 × 17,296,276.80
  4. Step 4: Simplify right side
    28,066,814.40x = 728,177,086,134,938.88
  5. Step 5: Solve for x
    x = 728,177,086,134,938.88/28,066,814.40
  6. Step 6: Final answer
    x = 25,944,415.20

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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.