Home / 7,899,953.64-11,853,353.16-2,786,037.81

Finding the Fourth Proportional to 7,899,953.64, 11,853,353.16 and 2,786,037.81

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Solution

The fourth proportional to 7,899,953.64, 11,853,353.16 and 2,786,037.81 is: 4,180,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,953.64 : 11,853,353.16 = 2,786,037.81 : x
  2. Step 2: Convert to fraction form
    7,899,953.64/11,853,353.16 = 2,786,037.81/x
  3. Step 3: Cross multiply
    7,899,953.64x = 11,853,353.16 × 2,786,037.81
  4. Step 4: Simplify right side
    7,899,953.64x = 33,023,890,079,042.98
  5. Step 5: Solve for x
    x = 33,023,890,079,042.98/7,899,953.64
  6. Step 6: Final answer
    x = 4,180,263.78

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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.