Home / 20,234,836.70-30,352,255.05-14,176,409.30

Finding the Fourth Proportional to 20,234,836.70, 30,352,255.05 and 14,176,409.30

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Solution

The fourth proportional to 20,234,836.70, 30,352,255.05 and 14,176,409.30 is: 21,264,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,836.70 : 30,352,255.05 = 14,176,409.30 : x
  2. Step 2: Convert to fraction form
    20,234,836.70/30,352,255.05 = 14,176,409.30/x
  3. Step 3: Cross multiply
    20,234,836.70x = 30,352,255.05 × 14,176,409.30
  4. Step 4: Simplify right side
    20,234,836.70x = 430,285,990,766,792
  5. Step 5: Solve for x
    x = 430,285,990,766,792/20,234,836.70
  6. Step 6: Final answer
    x = 21,264,613.95

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1.5x scale

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.