Home / 18,888,311.70-28,332,467.55-14,778,501.30

Finding the Fourth Proportional to 18,888,311.70, 28,332,467.55 and 14,778,501.30

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Solution

The fourth proportional to 18,888,311.70, 28,332,467.55 and 14,778,501.30 is: 22,167,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,311.70 : 28,332,467.55 = 14,778,501.30 : x
  2. Step 2: Convert to fraction form
    18,888,311.70/28,332,467.55 = 14,778,501.30/x
  3. Step 3: Cross multiply
    18,888,311.70x = 28,332,467.55 × 14,778,501.30
  4. Step 4: Simplify right side
    18,888,311.70x = 418,711,408,519,882.88
  5. Step 5: Solve for x
    x = 418,711,408,519,882.88/18,888,311.70
  6. Step 6: Final answer
    x = 22,167,751.95

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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.