Home / 15,431,551.65-23,132,844.68-5,189,249.88

Finding the Fourth Proportional to 15,431,551.65, 23,132,844.68 and 5,189,249.88

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Solution

The fourth proportional to 15,431,551.65, 23,132,844.68 and 5,189,249.88 is: 7,779,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,551.65 : 23,132,844.68 = 5,189,249.88 : x
  2. Step 2: Convert to fraction form
    15,431,551.65/23,132,844.68 = 5,189,249.88/x
  3. Step 3: Cross multiply
    15,431,551.65x = 23,132,844.68 × 5,189,249.88
  4. Step 4: Simplify right side
    15,431,551.65x = 120,042,111,453,802.39
  5. Step 5: Solve for x
    x = 120,042,111,453,802.39/15,431,551.65
  6. Step 6: Final answer
    x = 7,779,004.61

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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.