Home / 19,183,551.20-28,750,832.40-7,811,151.20

Finding the Fourth Proportional to 19,183,551.20, 28,750,832.40 and 7,811,151.20

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Solution

The fourth proportional to 19,183,551.20, 28,750,832.40 and 7,811,151.20 is: 11,706,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,551.20 : 28,750,832.40 = 7,811,151.20 : x
  2. Step 2: Convert to fraction form
    19,183,551.20/28,750,832.40 = 7,811,151.20/x
  3. Step 3: Cross multiply
    19,183,551.20x = 28,750,832.40 × 7,811,151.20
  4. Step 4: Simplify right side
    19,183,551.20x = 224,577,099,002,258.88
  5. Step 5: Solve for x
    x = 224,577,099,002,258.88/19,183,551.20
  6. Step 6: Final answer
    x = 11,706,753.18

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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.