Home / 13,900,592.12-20,850,664.82-4,315,979.97

Finding the Fourth Proportional to 13,900,592.12, 20,850,664.82 and 4,315,979.97

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Solution

The fourth proportional to 13,900,592.12, 20,850,664.82 and 4,315,979.97 is: 6,473,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,592.12 : 20,850,664.82 = 4,315,979.97 : x
  2. Step 2: Convert to fraction form
    13,900,592.12/20,850,664.82 = 4,315,979.97/x
  3. Step 3: Cross multiply
    13,900,592.12x = 20,850,664.82 × 4,315,979.97
  4. Step 4: Simplify right side
    13,900,592.12x = 89,991,051,702,723.75
  5. Step 5: Solve for x
    x = 89,991,051,702,723.75/13,900,592.12
  6. Step 6: Final answer
    x = 6,473,900.60

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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.