Home / 15,083,694.40-20,825,912.28-14,120,014.72

Finding the Fourth Proportional to 15,083,694.40, 20,825,912.28 and 14,120,014.72

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Solution

The fourth proportional to 15,083,694.40, 20,825,912.28 and 14,120,014.72 is: 19,495,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,694.40 : 20,825,912.28 = 14,120,014.72 : x
  2. Step 2: Convert to fraction form
    15,083,694.40/20,825,912.28 = 14,120,014.72/x
  3. Step 3: Cross multiply
    15,083,694.40x = 20,825,912.28 × 14,120,014.72
  4. Step 4: Simplify right side
    15,083,694.40x = 294,062,187,951,028.81
  5. Step 5: Solve for x
    x = 294,062,187,951,028.81/15,083,694.40
  6. Step 6: Final answer
    x = 19,495,368.98

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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.