Home / 11,999,921.40-17,985,491.78-6,158,099.34

Finding the Fourth Proportional to 11,999,921.40, 17,985,491.78 and 6,158,099.34

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Solution

The fourth proportional to 11,999,921.40, 17,985,491.78 and 6,158,099.34 is: 9,229,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999,921.40 : 17,985,491.78 = 6,158,099.34 : x
  2. Step 2: Convert to fraction form
    11,999,921.40/17,985,491.78 = 6,158,099.34/x
  3. Step 3: Cross multiply
    11,999,921.40x = 17,985,491.78 × 6,158,099.34
  4. Step 4: Simplify right side
    11,999,921.40x = 110,756,445,029,202.92
  5. Step 5: Solve for x
    x = 110,756,445,029,202.92/11,999,921.40
  6. Step 6: Final answer
    x = 9,229,764.21

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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.