Home / 12,919,222.44-19,360,553.04-7,164,487.26

Finding the Fourth Proportional to 12,919,222.44, 19,360,553.04 and 7,164,487.26

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Solution

The fourth proportional to 12,919,222.44, 19,360,553.04 and 7,164,487.26 is: 10,736,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,222.44 : 19,360,553.04 = 7,164,487.26 : x
  2. Step 2: Convert to fraction form
    12,919,222.44/19,360,553.04 = 7,164,487.26/x
  3. Step 3: Cross multiply
    12,919,222.44x = 19,360,553.04 × 7,164,487.26
  4. Step 4: Simplify right side
    12,919,222.44x = 138,708,435,601,634.27
  5. Step 5: Solve for x
    x = 138,708,435,601,634.27/12,919,222.44
  6. Step 6: Final answer
    x = 10,736,593.18

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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.