Home / 13,505,556.64-18,639,443.04-7,703,008.24

Finding the Fourth Proportional to 13,505,556.64, 18,639,443.04 and 7,703,008.24

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Solution

The fourth proportional to 13,505,556.64, 18,639,443.04 and 7,703,008.24 is: 10,631,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,556.64 : 18,639,443.04 = 7,703,008.24 : x
  2. Step 2: Convert to fraction form
    13,505,556.64/18,639,443.04 = 7,703,008.24/x
  3. Step 3: Cross multiply
    13,505,556.64x = 18,639,443.04 × 7,703,008.24
  4. Step 4: Simplify right side
    13,505,556.64x = 143,579,783,326,130.66
  5. Step 5: Solve for x
    x = 143,579,783,326,130.66/13,505,556.64
  6. Step 6: Final answer
    x = 10,631,163.69

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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.