Home / 15,345,027.12-21,174,629.76-8,469,066.30

Finding the Fourth Proportional to 15,345,027.12, 21,174,629.76 and 8,469,066.30

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Solution

The fourth proportional to 15,345,027.12, 21,174,629.76 and 8,469,066.30 is: 11,686,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,027.12 : 21,174,629.76 = 8,469,066.30 : x
  2. Step 2: Convert to fraction form
    15,345,027.12/21,174,629.76 = 8,469,066.30/x
  3. Step 3: Cross multiply
    15,345,027.12x = 21,174,629.76 × 8,469,066.30
  4. Step 4: Simplify right side
    15,345,027.12x = 179,329,343,315,393.12
  5. Step 5: Solve for x
    x = 179,329,343,315,393.12/15,345,027.12
  6. Step 6: Final answer
    x = 11,686,479.40

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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.