Home / 9,412,129.92-12,988,739.46-5,337,748.92

Finding the Fourth Proportional to 9,412,129.92, 12,988,739.46 and 5,337,748.92

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Solution

The fourth proportional to 9,412,129.92, 12,988,739.46 and 5,337,748.92 is: 7,366,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,129.92 : 12,988,739.46 = 5,337,748.92 : x
  2. Step 2: Convert to fraction form
    9,412,129.92/12,988,739.46 = 5,337,748.92/x
  3. Step 3: Cross multiply
    9,412,129.92x = 12,988,739.46 × 5,337,748.92
  4. Step 4: Simplify right side
    9,412,129.92x = 69,330,630,024,776.39
  5. Step 5: Solve for x
    x = 69,330,630,024,776.39/9,412,129.92
  6. Step 6: Final answer
    x = 7,366,093.61

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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.