Home / 12,789,023.60-19,183,535.40-11,072,082.80

Finding the Fourth Proportional to 12,789,023.60, 19,183,535.40 and 11,072,082.80

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Solution

The fourth proportional to 12,789,023.60, 19,183,535.40 and 11,072,082.80 is: 16,608,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,023.60 : 19,183,535.40 = 11,072,082.80 : x
  2. Step 2: Convert to fraction form
    12,789,023.60/19,183,535.40 = 11,072,082.80/x
  3. Step 3: Cross multiply
    12,789,023.60x = 19,183,535.40 × 11,072,082.80
  4. Step 4: Simplify right side
    12,789,023.60x = 212,401,692,345,531.12
  5. Step 5: Solve for x
    x = 212,401,692,345,531.12/12,789,023.60
  6. Step 6: Final answer
    x = 16,608,124.20

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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.