Home / 13,149,014.80-19,723,522.20-7,760,246.80

Finding the Fourth Proportional to 13,149,014.80, 19,723,522.20 and 7,760,246.80

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Solution

The fourth proportional to 13,149,014.80, 19,723,522.20 and 7,760,246.80 is: 11,640,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,014.80 : 19,723,522.20 = 7,760,246.80 : x
  2. Step 2: Convert to fraction form
    13,149,014.80/19,723,522.20 = 7,760,246.80/x
  3. Step 3: Cross multiply
    13,149,014.80x = 19,723,522.20 × 7,760,246.80
  4. Step 4: Simplify right side
    13,149,014.80x = 153,059,400,037,278.94
  5. Step 5: Solve for x
    x = 153,059,400,037,278.94/13,149,014.80
  6. Step 6: Final answer
    x = 11,640,370.20

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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.