Home / 12,155,260.80-18,230,266.80-5,331,820.80

Finding the Fourth Proportional to 12,155,260.80, 18,230,266.80 and 5,331,820.80

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Solution

The fourth proportional to 12,155,260.80, 18,230,266.80 and 5,331,820.80 is: 7,996,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,260.80 : 18,230,266.80 = 5,331,820.80 : x
  2. Step 2: Convert to fraction form
    12,155,260.80/18,230,266.80 = 5,331,820.80/x
  3. Step 3: Cross multiply
    12,155,260.80x = 18,230,266.80 × 5,331,820.80
  4. Step 4: Simplify right side
    12,155,260.80x = 97,200,515,713,789.44
  5. Step 5: Solve for x
    x = 97,200,515,713,789.44/12,155,260.80
  6. Step 6: Final answer
    x = 7,996,580.03

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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.