Home / 12,899,656.28-19,352,283.78-3,923,975

Finding the Fourth Proportional to 12,899,656.28, 19,352,283.78 and 3,923,975

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Solution

The fourth proportional to 12,899,656.28, 19,352,283.78 and 3,923,975 is: 5,886,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,656.28 : 19,352,283.78 = 3,923,975 : x
  2. Step 2: Convert to fraction form
    12,899,656.28/19,352,283.78 = 3,923,975/x
  3. Step 3: Cross multiply
    12,899,656.28x = 19,352,283.78 × 3,923,975
  4. Step 4: Simplify right side
    12,899,656.28x = 75,937,877,745,625.50
  5. Step 5: Solve for x
    x = 75,937,877,745,625.50/12,899,656.28
  6. Step 6: Final answer
    x = 5,886,814.04

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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.