Home / 13,086,013.20-19,632,130.20-5,509,078.80

Finding the Fourth Proportional to 13,086,013.20, 19,632,130.20 and 5,509,078.80

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Solution

The fourth proportional to 13,086,013.20, 19,632,130.20 and 5,509,078.80 is: 8,264,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,013.20 : 19,632,130.20 = 5,509,078.80 : x
  2. Step 2: Convert to fraction form
    13,086,013.20/19,632,130.20 = 5,509,078.80/x
  3. Step 3: Cross multiply
    13,086,013.20x = 19,632,130.20 × 5,509,078.80
  4. Step 4: Simplify right side
    13,086,013.20x = 108,154,952,283,659.75
  5. Step 5: Solve for x
    x = 108,154,952,283,659.75/13,086,013.20
  6. Step 6: Final answer
    x = 8,264,927.65

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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.