Home / 30,231,818.70-45,347,728.05-16,579,689.90

Finding the Fourth Proportional to 30,231,818.70, 45,347,728.05 and 16,579,689.90

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Solution

The fourth proportional to 30,231,818.70, 45,347,728.05 and 16,579,689.90 is: 24,869,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231,818.70 : 45,347,728.05 = 16,579,689.90 : x
  2. Step 2: Convert to fraction form
    30,231,818.70/45,347,728.05 = 16,579,689.90/x
  3. Step 3: Cross multiply
    30,231,818.70x = 45,347,728.05 × 16,579,689.90
  4. Step 4: Simplify right side
    30,231,818.70x = 751,851,268,738,531.62
  5. Step 5: Solve for x
    x = 751,851,268,738,531.62/30,231,818.70
  6. Step 6: Final answer
    x = 24,869,534.85

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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.