Home / 13,500,747.56-18,631,080.71-7,305,793.65

Finding the Fourth Proportional to 13,500,747.56, 18,631,080.71 and 7,305,793.65

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Solution

The fourth proportional to 13,500,747.56, 18,631,080.71 and 7,305,793.65 is: 10,082,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,747.56 : 18,631,080.71 = 7,305,793.65 : x
  2. Step 2: Convert to fraction form
    13,500,747.56/18,631,080.71 = 7,305,793.65/x
  3. Step 3: Cross multiply
    13,500,747.56x = 18,631,080.71 × 7,305,793.65
  4. Step 4: Simplify right side
    13,500,747.56x = 136,114,831,134,623.25
  5. Step 5: Solve for x
    x = 136,114,831,134,623.25/13,500,747.56
  6. Step 6: Final answer
    x = 10,082,021.79

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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.