Home / 12,140,142.60-18,204,965.10-6,072,529.80

Finding the Fourth Proportional to 12,140,142.60, 18,204,965.10 and 6,072,529.80

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Solution

The fourth proportional to 12,140,142.60, 18,204,965.10 and 6,072,529.80 is: 9,106,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,142.60 : 18,204,965.10 = 6,072,529.80 : x
  2. Step 2: Convert to fraction form
    12,140,142.60/18,204,965.10 = 6,072,529.80/x
  3. Step 3: Cross multiply
    12,140,142.60x = 18,204,965.10 × 6,072,529.80
  4. Step 4: Simplify right side
    12,140,142.60x = 110,550,193,077,709.98
  5. Step 5: Solve for x
    x = 110,550,193,077,709.98/12,140,142.60
  6. Step 6: Final answer
    x = 9,106,169.24

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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.