Home / 6,915,768.71-9,534,887.27-5,670,791.61

Finding the Fourth Proportional to 6,915,768.71, 9,534,887.27 and 5,670,791.61

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Solution

The fourth proportional to 6,915,768.71, 9,534,887.27 and 5,670,791.61 is: 7,818,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,768.71 : 9,534,887.27 = 5,670,791.61 : x
  2. Step 2: Convert to fraction form
    6,915,768.71/9,534,887.27 = 5,670,791.61/x
  3. Step 3: Cross multiply
    6,915,768.71x = 9,534,887.27 × 5,670,791.61
  4. Step 4: Simplify right side
    6,915,768.71x = 54,070,358,704,657.85
  5. Step 5: Solve for x
    x = 54,070,358,704,657.85/6,915,768.71
  6. Step 6: Final answer
    x = 7,818,416.29

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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.