Home / 21,037,625.46-31,575,836.43-10,670,120.79

Finding the Fourth Proportional to 21,037,625.46, 31,575,836.43 and 10,670,120.79

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Solution

The fourth proportional to 21,037,625.46, 31,575,836.43 and 10,670,120.79 is: 16,015,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,625.46 : 31,575,836.43 = 10,670,120.79 : x
  2. Step 2: Convert to fraction form
    21,037,625.46/31,575,836.43 = 10,670,120.79/x
  3. Step 3: Cross multiply
    21,037,625.46x = 31,575,836.43 × 10,670,120.79
  4. Step 4: Simplify right side
    21,037,625.46x = 336,917,988,753,382.38
  5. Step 5: Solve for x
    x = 336,917,988,753,382.38/21,037,625.46
  6. Step 6: Final answer
    x = 16,015,019.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.