Home / 8,764,877.70-13,147,316.55-5,172,365.70

Finding the Fourth Proportional to 8,764,877.70, 13,147,316.55 and 5,172,365.70

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Solution

The fourth proportional to 8,764,877.70, 13,147,316.55 and 5,172,365.70 is: 7,758,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,877.70 : 13,147,316.55 = 5,172,365.70 : x
  2. Step 2: Convert to fraction form
    8,764,877.70/13,147,316.55 = 5,172,365.70/x
  3. Step 3: Cross multiply
    8,764,877.70x = 13,147,316.55 × 5,172,365.70
  4. Step 4: Simplify right side
    8,764,877.70x = 68,002,729,170,262.34
  5. Step 5: Solve for x
    x = 68,002,729,170,262.34/8,764,877.70
  6. Step 6: Final answer
    x = 7,758,548.55

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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.