Home / 13,174,820.80-19,762,231.20-8,654,437.60

Finding the Fourth Proportional to 13,174,820.80, 19,762,231.20 and 8,654,437.60

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Solution

The fourth proportional to 13,174,820.80, 19,762,231.20 and 8,654,437.60 is: 12,981,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,820.80 : 19,762,231.20 = 8,654,437.60 : x
  2. Step 2: Convert to fraction form
    13,174,820.80/19,762,231.20 = 8,654,437.60/x
  3. Step 3: Cross multiply
    13,174,820.80x = 19,762,231.20 × 8,654,437.60
  4. Step 4: Simplify right side
    13,174,820.80x = 171,030,996,757,173.09
  5. Step 5: Solve for x
    x = 171,030,996,757,173.09/13,174,820.80
  6. Step 6: Final answer
    x = 12,981,656.40

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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.