Home / 9,402,819.45-12,970,393.26-5,912,634.44

Finding the Fourth Proportional to 9,402,819.45, 12,970,393.26 and 5,912,634.44

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Solution

The fourth proportional to 9,402,819.45, 12,970,393.26 and 5,912,634.44 is: 8,155,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402,819.45 : 12,970,393.26 = 5,912,634.44 : x
  2. Step 2: Convert to fraction form
    9,402,819.45/12,970,393.26 = 5,912,634.44/x
  3. Step 3: Cross multiply
    9,402,819.45x = 12,970,393.26 × 5,912,634.44
  4. Step 4: Simplify right side
    9,402,819.45x = 76,689,193,824,567.91
  5. Step 5: Solve for x
    x = 76,689,193,824,567.91/9,402,819.45
  6. Step 6: Final answer
    x = 8,155,978.56

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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.