Home / 13,563,795.60-20,348,317.80-3,979,486.80

Finding the Fourth Proportional to 13,563,795.60, 20,348,317.80 and 3,979,486.80

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Solution

The fourth proportional to 13,563,795.60, 20,348,317.80 and 3,979,486.80 is: 5,970,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,795.60 : 20,348,317.80 = 3,979,486.80 : x
  2. Step 2: Convert to fraction form
    13,563,795.60/20,348,317.80 = 3,979,486.80/x
  3. Step 3: Cross multiply
    13,563,795.60x = 20,348,317.80 × 3,979,486.80
  4. Step 4: Simplify right side
    13,563,795.60x = 80,975,862,087,305.05
  5. Step 5: Solve for x
    x = 80,975,862,087,305.05/13,563,795.60
  6. Step 6: Final answer
    x = 5,970,000.17

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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.