Home / 14,757,144-20,364,858.72-8,318,616

Finding the Fourth Proportional to 14,757,144, 20,364,858.72 and 8,318,616

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Solution

The fourth proportional to 14,757,144, 20,364,858.72 and 8,318,616 is: 11,479,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757,144 : 20,364,858.72 = 8,318,616 : x
  2. Step 2: Convert to fraction form
    14,757,144/20,364,858.72 = 8,318,616/x
  3. Step 3: Cross multiply
    14,757,144x = 20,364,858.72 × 8,318,616
  4. Step 4: Simplify right side
    14,757,144x = 169,407,439,585,931.50
  5. Step 5: Solve for x
    x = 169,407,439,585,931.50/14,757,144
  6. Step 6: Final answer
    x = 11,479,690.08

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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.