Home / 28,736,129.40-43,135,686.90-17,965,591.80

Finding the Fourth Proportional to 28,736,129.40, 43,135,686.90 and 17,965,591.80

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Solution

The fourth proportional to 28,736,129.40, 43,135,686.90 and 17,965,591.80 is: 26,968,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736,129.40 : 43,135,686.90 = 17,965,591.80 : x
  2. Step 2: Convert to fraction form
    28,736,129.40/43,135,686.90 = 17,965,591.80/x
  3. Step 3: Cross multiply
    28,736,129.40x = 43,135,686.90 × 17,965,591.80
  4. Step 4: Simplify right side
    28,736,129.40x = 774,958,142,858,007.38
  5. Step 5: Solve for x
    x = 774,958,142,858,007.38/28,736,129.40
  6. Step 6: Final answer
    x = 26,968,076.74

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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.