Home / 18,954,775.20-28,376,175.60-12,572,234.40

Finding the Fourth Proportional to 18,954,775.20, 28,376,175.60 and 12,572,234.40

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Solution

The fourth proportional to 18,954,775.20, 28,376,175.60 and 12,572,234.40 is: 18,821,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,775.20 : 28,376,175.60 = 12,572,234.40 : x
  2. Step 2: Convert to fraction form
    18,954,775.20/28,376,175.60 = 12,572,234.40/x
  3. Step 3: Cross multiply
    18,954,775.20x = 28,376,175.60 × 12,572,234.40
  4. Step 4: Simplify right side
    18,954,775.20x = 356,751,931,018,760.69
  5. Step 5: Solve for x
    x = 356,751,931,018,760.69/18,954,775.20
  6. Step 6: Final answer
    x = 18,821,216.67

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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.