Home / 13,581,160.02-18,741,902.85-7,469,457.30

Finding the Fourth Proportional to 13,581,160.02, 18,741,902.85 and 7,469,457.30

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Solution

The fourth proportional to 13,581,160.02, 18,741,902.85 and 7,469,457.30 is: 10,307,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,160.02 : 18,741,902.85 = 7,469,457.30 : x
  2. Step 2: Convert to fraction form
    13,581,160.02/18,741,902.85 = 7,469,457.30/x
  3. Step 3: Cross multiply
    13,581,160.02x = 18,741,902.85 × 7,469,457.30
  4. Step 4: Simplify right side
    13,581,160.02x = 139,991,843,058,823.31
  5. Step 5: Solve for x
    x = 139,991,843,058,823.31/13,581,160.02
  6. Step 6: Final answer
    x = 10,307,797.19

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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.