Home / 9,190,939.92-12,682,994.70-5,060,186.64

Finding the Fourth Proportional to 9,190,939.92, 12,682,994.70 and 5,060,186.64

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Solution

The fourth proportional to 9,190,939.92, 12,682,994.70 and 5,060,186.64 is: 6,982,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,939.92 : 12,682,994.70 = 5,060,186.64 : x
  2. Step 2: Convert to fraction form
    9,190,939.92/12,682,994.70 = 5,060,186.64/x
  3. Step 3: Cross multiply
    9,190,939.92x = 12,682,994.70 × 5,060,186.64
  4. Step 4: Simplify right side
    9,190,939.92x = 64,178,320,336,130.80
  5. Step 5: Solve for x
    x = 64,178,320,336,130.80/9,190,939.92
  6. Step 6: Final answer
    x = 6,982,780.97

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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.