Home / 12,381,886.20-17,089,031.46-7,225,231.80

Finding the Fourth Proportional to 12,381,886.20, 17,089,031.46 and 7,225,231.80

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Solution

The fourth proportional to 12,381,886.20, 17,089,031.46 and 7,225,231.80 is: 9,972,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,886.20 : 17,089,031.46 = 7,225,231.80 : x
  2. Step 2: Convert to fraction form
    12,381,886.20/17,089,031.46 = 7,225,231.80/x
  3. Step 3: Cross multiply
    12,381,886.20x = 17,089,031.46 × 7,225,231.80
  4. Step 4: Simplify right side
    12,381,886.20x = 123,472,213,535,992.44
  5. Step 5: Solve for x
    x = 123,472,213,535,992.44/12,381,886.20
  6. Step 6: Final answer
    x = 9,972,003.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.