Home / 30,311,123.20-41,829,366.76-16,372,478.22

Finding the Fourth Proportional to 30,311,123.20, 41,829,366.76 and 16,372,478.22

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Solution

The fourth proportional to 30,311,123.20, 41,829,366.76 and 16,372,478.22 is: 22,594,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,123.20 : 41,829,366.76 = 16,372,478.22 : x
  2. Step 2: Convert to fraction form
    30,311,123.20/41,829,366.76 = 16,372,478.22/x
  3. Step 3: Cross multiply
    30,311,123.20x = 41,829,366.76 × 16,372,478.22
  4. Step 4: Simplify right side
    30,311,123.20x = 684,850,396,254,957.50
  5. Step 5: Solve for x
    x = 684,850,396,254,957.50/30,311,123.20
  6. Step 6: Final answer
    x = 22,594,028.99

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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.