Home / 28,909,654.38-43,306,664.49-17,388,759.90

Finding the Fourth Proportional to 28,909,654.38, 43,306,664.49 and 17,388,759.90

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Solution

The fourth proportional to 28,909,654.38, 43,306,664.49 and 17,388,759.90 is: 26,048,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,654.38 : 43,306,664.49 = 17,388,759.90 : x
  2. Step 2: Convert to fraction form
    28,909,654.38/43,306,664.49 = 17,388,759.90/x
  3. Step 3: Cross multiply
    28,909,654.38x = 43,306,664.49 × 17,388,759.90
  4. Step 4: Simplify right side
    28,909,654.38x = 753,049,190,886,465.88
  5. Step 5: Solve for x
    x = 753,049,190,886,465.88/28,909,654.38
  6. Step 6: Final answer
    x = 26,048,363.67

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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.