Home / 9,379,536.45-12,944,164.85-5,193,221.32

Finding the Fourth Proportional to 9,379,536.45, 12,944,164.85 and 5,193,221.32

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Solution

The fourth proportional to 9,379,536.45, 12,944,164.85 and 5,193,221.32 is: 7,166,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379,536.45 : 12,944,164.85 = 5,193,221.32 : x
  2. Step 2: Convert to fraction form
    9,379,536.45/12,944,164.85 = 5,193,221.32/x
  3. Step 3: Cross multiply
    9,379,536.45x = 12,944,164.85 × 5,193,221.32
  4. Step 4: Simplify right side
    9,379,536.45x = 67,221,912,868,614.60
  5. Step 5: Solve for x
    x = 67,221,912,868,614.60/9,379,536.45
  6. Step 6: Final answer
    x = 7,166,869.41

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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.