Home / 18,515,283.42-27,773,017.47-7,591,439.78

Finding the Fourth Proportional to 18,515,283.42, 27,773,017.47 and 7,591,439.78

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Solution

The fourth proportional to 18,515,283.42, 27,773,017.47 and 7,591,439.78 is: 11,387,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515,283.42 : 27,773,017.47 = 7,591,439.78 : x
  2. Step 2: Convert to fraction form
    18,515,283.42/27,773,017.47 = 7,591,439.78/x
  3. Step 3: Cross multiply
    18,515,283.42x = 27,773,017.47 × 7,591,439.78
  4. Step 4: Simplify right side
    18,515,283.42x = 210,837,189,493,527.88
  5. Step 5: Solve for x
    x = 210,837,189,493,527.88/18,515,283.42
  6. Step 6: Final answer
    x = 11,387,197.52

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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.