Home / 30,311,123.54-41,829,367.24-16,372,478.56

Finding the Fourth Proportional to 30,311,123.54, 41,829,367.24 and 16,372,478.56

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Solution

The fourth proportional to 30,311,123.54, 41,829,367.24 and 16,372,478.56 is: 22,594,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,123.54 : 41,829,367.24 = 16,372,478.56 : x
  2. Step 2: Convert to fraction form
    30,311,123.54/41,829,367.24 = 16,372,478.56/x
  3. Step 3: Cross multiply
    30,311,123.54x = 41,829,367.24 × 16,372,478.56
  4. Step 4: Simplify right side
    30,311,123.54x = 684,850,418,169,761.62
  5. Step 5: Solve for x
    x = 684,850,418,169,761.62/30,311,123.54
  6. Step 6: Final answer
    x = 22,594,029.46

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1.5x scale

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.