Home / 13,325,317.02-18,388,943.64-7,213,745.52

Finding the Fourth Proportional to 13,325,317.02, 18,388,943.64 and 7,213,745.52

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Solution

The fourth proportional to 13,325,317.02, 18,388,943.64 and 7,213,745.52 is: 9,954,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,317.02 : 18,388,943.64 = 7,213,745.52 : x
  2. Step 2: Convert to fraction form
    13,325,317.02/18,388,943.64 = 7,213,745.52/x
  3. Step 3: Cross multiply
    13,325,317.02x = 18,388,943.64 × 7,213,745.52
  4. Step 4: Simplify right side
    13,325,317.02x = 132,653,159,800,582.48
  5. Step 5: Solve for x
    x = 132,653,159,800,582.48/13,325,317.02
  6. Step 6: Final answer
    x = 9,954,972.15

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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.