Home / 13,155,612.24-18,154,879.44-7,354,716.24

Finding the Fourth Proportional to 13,155,612.24, 18,154,879.44 and 7,354,716.24

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Solution

The fourth proportional to 13,155,612.24, 18,154,879.44 and 7,354,716.24 is: 10,149,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155,612.24 : 18,154,879.44 = 7,354,716.24 : x
  2. Step 2: Convert to fraction form
    13,155,612.24/18,154,879.44 = 7,354,716.24/x
  3. Step 3: Cross multiply
    13,155,612.24x = 18,154,879.44 × 7,354,716.24
  4. Step 4: Simplify right side
    13,155,612.24x = 133,523,986,652,610.12
  5. Step 5: Solve for x
    x = 133,523,986,652,610.12/13,155,612.24
  6. Step 6: Final answer
    x = 10,149,583.63

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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.