Home / 14,601,722.16-20,148,138-8,405,571.16

Finding the Fourth Proportional to 14,601,722.16, 20,148,138 and 8,405,571.16

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Solution

The fourth proportional to 14,601,722.16, 20,148,138 and 8,405,571.16 is: 11,598,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601,722.16 : 20,148,138 = 8,405,571.16 : x
  2. Step 2: Convert to fraction form
    14,601,722.16/20,148,138 = 8,405,571.16/x
  3. Step 3: Cross multiply
    14,601,722.16x = 20,148,138 × 8,405,571.16
  4. Step 4: Simplify right side
    14,601,722.16x = 169,356,607,700,500.09
  5. Step 5: Solve for x
    x = 169,356,607,700,500.09/14,601,722.16
  6. Step 6: Final answer
    x = 11,598,399.55

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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.