Home / 12,296,720.80-18,445,081.20-11,456,912.80

Finding the Fourth Proportional to 12,296,720.80, 18,445,081.20 and 11,456,912.80

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Solution

The fourth proportional to 12,296,720.80, 18,445,081.20 and 11,456,912.80 is: 17,185,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,720.80 : 18,445,081.20 = 11,456,912.80 : x
  2. Step 2: Convert to fraction form
    12,296,720.80/18,445,081.20 = 11,456,912.80/x
  3. Step 3: Cross multiply
    12,296,720.80x = 18,445,081.20 × 11,456,912.80
  4. Step 4: Simplify right side
    12,296,720.80x = 211,323,686,897,319.38
  5. Step 5: Solve for x
    x = 211,323,686,897,319.38/12,296,720.80
  6. Step 6: Final answer
    x = 17,185,369.20

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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.