Home / 9,195,491.98-12,690,172.60-5,121,110.98

Finding the Fourth Proportional to 9,195,491.98, 12,690,172.60 and 5,121,110.98

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Solution

The fourth proportional to 9,195,491.98, 12,690,172.60 and 5,121,110.98 is: 7,067,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,491.98 : 12,690,172.60 = 5,121,110.98 : x
  2. Step 2: Convert to fraction form
    9,195,491.98/12,690,172.60 = 5,121,110.98/x
  3. Step 3: Cross multiply
    9,195,491.98x = 12,690,172.60 × 5,121,110.98
  4. Step 4: Simplify right side
    9,195,491.98x = 64,987,782,239,955.15
  5. Step 5: Solve for x
    x = 64,987,782,239,955.15/9,195,491.98
  6. Step 6: Final answer
    x = 7,067,352.39

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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.