Home / 23,166,689.64-31,962,112.98-13,236,447.21

Finding the Fourth Proportional to 23,166,689.64, 31,962,112.98 and 13,236,447.21

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Solution

The fourth proportional to 23,166,689.64, 31,962,112.98 and 13,236,447.21 is: 18,261,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166,689.64 : 31,962,112.98 = 13,236,447.21 : x
  2. Step 2: Convert to fraction form
    23,166,689.64/31,962,112.98 = 13,236,447.21/x
  3. Step 3: Cross multiply
    23,166,689.64x = 31,962,112.98 × 13,236,447.21
  4. Step 4: Simplify right side
    23,166,689.64x = 423,064,821,179,825.81
  5. Step 5: Solve for x
    x = 423,064,821,179,825.81/23,166,689.64
  6. Step 6: Final answer
    x = 18,261,772.73

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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.