Home / 12,789,027.60-19,183,541.40-11,072,086.80

Finding the Fourth Proportional to 12,789,027.60, 19,183,541.40 and 11,072,086.80

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Solution

The fourth proportional to 12,789,027.60, 19,183,541.40 and 11,072,086.80 is: 16,608,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,027.60 : 19,183,541.40 = 11,072,086.80 : x
  2. Step 2: Convert to fraction form
    12,789,027.60/19,183,541.40 = 11,072,086.80/x
  3. Step 3: Cross multiply
    12,789,027.60x = 19,183,541.40 × 11,072,086.80
  4. Step 4: Simplify right side
    12,789,027.60x = 212,401,835,512,193.53
  5. Step 5: Solve for x
    x = 212,401,835,512,193.53/12,789,027.60
  6. Step 6: Final answer
    x = 16,608,130.20

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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.