Home / 28,736,121.90-43,135,675.65-17,965,584.30

Finding the Fourth Proportional to 28,736,121.90, 43,135,675.65 and 17,965,584.30

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Solution

The fourth proportional to 28,736,121.90, 43,135,675.65 and 17,965,584.30 is: 26,968,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736,121.90 : 43,135,675.65 = 17,965,584.30 : x
  2. Step 2: Convert to fraction form
    28,736,121.90/43,135,675.65 = 17,965,584.30/x
  3. Step 3: Cross multiply
    28,736,121.90x = 43,135,675.65 × 17,965,584.30
  4. Step 4: Simplify right side
    28,736,121.90x = 774,957,617,227,532.25
  5. Step 5: Solve for x
    x = 774,957,617,227,532.25/28,736,121.90
  6. Step 6: Final answer
    x = 26,968,065.49

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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.