Home / 23,112,859.47-31,895,135.60-13,189,564.30

Finding the Fourth Proportional to 23,112,859.47, 31,895,135.60 and 13,189,564.30

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Solution

The fourth proportional to 23,112,859.47, 31,895,135.60 and 13,189,564.30 is: 18,201,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112,859.47 : 31,895,135.60 = 13,189,564.30 : x
  2. Step 2: Convert to fraction form
    23,112,859.47/31,895,135.60 = 13,189,564.30/x
  3. Step 3: Cross multiply
    23,112,859.47x = 31,895,135.60 × 13,189,564.30
  4. Step 4: Simplify right side
    23,112,859.47x = 420,682,941,707,733.38
  5. Step 5: Solve for x
    x = 420,682,941,707,733.38/23,112,859.47
  6. Step 6: Final answer
    x = 18,201,250.36

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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.