Home / 13,042,486.20-19,563,729.30-6,665,194.20

Finding the Fourth Proportional to 13,042,486.20, 19,563,729.30 and 6,665,194.20

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Solution

The fourth proportional to 13,042,486.20, 19,563,729.30 and 6,665,194.20 is: 9,997,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,486.20 : 19,563,729.30 = 6,665,194.20 : x
  2. Step 2: Convert to fraction form
    13,042,486.20/19,563,729.30 = 6,665,194.20/x
  3. Step 3: Cross multiply
    13,042,486.20x = 19,563,729.30 × 6,665,194.20
  4. Step 4: Simplify right side
    13,042,486.20x = 130,396,055,060,730.06
  5. Step 5: Solve for x
    x = 130,396,055,060,730.06/13,042,486.20
  6. Step 6: Final answer
    x = 9,997,791.30

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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.