Home / 13,047,781.80-19,571,672.70-7,659,013.80

Finding the Fourth Proportional to 13,047,781.80, 19,571,672.70 and 7,659,013.80

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Solution

The fourth proportional to 13,047,781.80, 19,571,672.70 and 7,659,013.80 is: 11,488,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,781.80 : 19,571,672.70 = 7,659,013.80 : x
  2. Step 2: Convert to fraction form
    13,047,781.80/19,571,672.70 = 7,659,013.80/x
  3. Step 3: Cross multiply
    13,047,781.80x = 19,571,672.70 × 7,659,013.80
  4. Step 4: Simplify right side
    13,047,781.80x = 149,899,711,298,383.25
  5. Step 5: Solve for x
    x = 149,899,711,298,383.25/13,047,781.80
  6. Step 6: Final answer
    x = 11,488,520.70

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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.