Home / 13,103,620.16-18,082,201.46-7,222,997.16

Finding the Fourth Proportional to 13,103,620.16, 18,082,201.46 and 7,222,997.16

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Solution

The fourth proportional to 13,103,620.16, 18,082,201.46 and 7,222,997.16 is: 9,967,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,620.16 : 18,082,201.46 = 7,222,997.16 : x
  2. Step 2: Convert to fraction form
    13,103,620.16/18,082,201.46 = 7,222,997.16/x
  3. Step 3: Cross multiply
    13,103,620.16x = 18,082,201.46 × 7,222,997.16
  4. Step 4: Simplify right side
    13,103,620.16x = 130,607,689,756,012.86
  5. Step 5: Solve for x
    x = 130,607,689,756,012.86/13,103,620.16
  6. Step 6: Final answer
    x = 9,967,298.21

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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.