Home / 10,923,747.60-16,403,336.10-7,345,378.20

Finding the Fourth Proportional to 10,923,747.60, 16,403,336.10 and 7,345,378.20

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Solution

The fourth proportional to 10,923,747.60, 16,403,336.10 and 7,345,378.20 is: 11,029,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923,747.60 : 16,403,336.10 = 7,345,378.20 : x
  2. Step 2: Convert to fraction form
    10,923,747.60/16,403,336.10 = 7,345,378.20/x
  3. Step 3: Cross multiply
    10,923,747.60x = 16,403,336.10 × 7,345,378.20
  4. Step 4: Simplify right side
    10,923,747.60x = 120,488,707,396,213.02
  5. Step 5: Solve for x
    x = 120,488,707,396,213.02/10,923,747.60
  6. Step 6: Final answer
    x = 11,029,979.07

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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.