Home / 26,190,400.76-36,141,023.86-15,730,201.65

Finding the Fourth Proportional to 26,190,400.76, 36,141,023.86 and 15,730,201.65

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Solution

The fourth proportional to 26,190,400.76, 36,141,023.86 and 15,730,201.65 is: 21,706,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190,400.76 : 36,141,023.86 = 15,730,201.65 : x
  2. Step 2: Convert to fraction form
    26,190,400.76/36,141,023.86 = 15,730,201.65/x
  3. Step 3: Cross multiply
    26,190,400.76x = 36,141,023.86 × 15,730,201.65
  4. Step 4: Simplify right side
    26,190,400.76x = 568,505,593,155,261.38
  5. Step 5: Solve for x
    x = 568,505,593,155,261.38/26,190,400.76
  6. Step 6: Final answer
    x = 21,706,639.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.