Home / 27,680,037.80-41,520,056.70-7,485,279.80

Finding the Fourth Proportional to 27,680,037.80, 41,520,056.70 and 7,485,279.80

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Solution

The fourth proportional to 27,680,037.80, 41,520,056.70 and 7,485,279.80 is: 11,227,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,037.80 : 41,520,056.70 = 7,485,279.80 : x
  2. Step 2: Convert to fraction form
    27,680,037.80/41,520,056.70 = 7,485,279.80/x
  3. Step 3: Cross multiply
    27,680,037.80x = 41,520,056.70 × 7,485,279.80
  4. Step 4: Simplify right side
    27,680,037.80x = 310,789,241,711,364.69
  5. Step 5: Solve for x
    x = 310,789,241,711,364.69/27,680,037.80
  6. Step 6: Final answer
    x = 11,227,919.70

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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.