Home / 14,631,571.20-20,191,297.32-8,105,057.76

Finding the Fourth Proportional to 14,631,571.20, 20,191,297.32 and 8,105,057.76

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Solution

The fourth proportional to 14,631,571.20, 20,191,297.32 and 8,105,057.76 is: 11,184,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,571.20 : 20,191,297.32 = 8,105,057.76 : x
  2. Step 2: Convert to fraction form
    14,631,571.20/20,191,297.32 = 8,105,057.76/x
  3. Step 3: Cross multiply
    14,631,571.20x = 20,191,297.32 × 8,105,057.76
  4. Step 4: Simplify right side
    14,631,571.20x = 163,651,631,027,933.19
  5. Step 5: Solve for x
    x = 163,651,631,027,933.19/14,631,571.20
  6. Step 6: Final answer
    x = 11,184,829.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.