Home / 31,102,617.54-42,922,643.10-16,974,577.65

Finding the Fourth Proportional to 31,102,617.54, 42,922,643.10 and 16,974,577.65

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Solution

The fourth proportional to 31,102,617.54, 42,922,643.10 and 16,974,577.65 is: 23,425,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,617.54 : 42,922,643.10 = 16,974,577.65 : x
  2. Step 2: Convert to fraction form
    31,102,617.54/42,922,643.10 = 16,974,577.65/x
  3. Step 3: Cross multiply
    31,102,617.54x = 42,922,643.10 × 16,974,577.65
  4. Step 4: Simplify right side
    31,102,617.54x = 728,593,738,244,186.62
  5. Step 5: Solve for x
    x = 728,593,738,244,186.62/31,102,617.54
  6. Step 6: Final answer
    x = 23,425,479.78

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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.