Home / 13,149,059.40-19,723,589.10-7,409,496.60

Finding the Fourth Proportional to 13,149,059.40, 19,723,589.10 and 7,409,496.60

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Solution

The fourth proportional to 13,149,059.40, 19,723,589.10 and 7,409,496.60 is: 11,114,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,059.40 : 19,723,589.10 = 7,409,496.60 : x
  2. Step 2: Convert to fraction form
    13,149,059.40/19,723,589.10 = 7,409,496.60/x
  3. Step 3: Cross multiply
    13,149,059.40x = 19,723,589.10 × 7,409,496.60
  4. Step 4: Simplify right side
    13,149,059.40x = 146,141,866,376,247.06
  5. Step 5: Solve for x
    x = 146,141,866,376,247.06/13,149,059.40
  6. Step 6: Final answer
    x = 11,114,244.90

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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.