Home / 14,317,839.36-19,758,621.24-7,879,311.36

Finding the Fourth Proportional to 14,317,839.36, 19,758,621.24 and 7,879,311.36

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Solution

The fourth proportional to 14,317,839.36, 19,758,621.24 and 7,879,311.36 is: 10,873,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,839.36 : 19,758,621.24 = 7,879,311.36 : x
  2. Step 2: Convert to fraction form
    14,317,839.36/19,758,621.24 = 7,879,311.36/x
  3. Step 3: Cross multiply
    14,317,839.36x = 19,758,621.24 × 7,879,311.36
  4. Step 4: Simplify right side
    14,317,839.36x = 155,684,328,794,269.28
  5. Step 5: Solve for x
    x = 155,684,328,794,269.28/14,317,839.36
  6. Step 6: Final answer
    x = 10,873,451.29

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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.