Home / 19,471,808.45-29,158,273.22-11,685,821.75

Finding the Fourth Proportional to 19,471,808.45, 29,158,273.22 and 11,685,821.75

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Solution

The fourth proportional to 19,471,808.45, 29,158,273.22 and 11,685,821.75 is: 17,499,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471,808.45 : 29,158,273.22 = 11,685,821.75 : x
  2. Step 2: Convert to fraction form
    19,471,808.45/29,158,273.22 = 11,685,821.75/x
  3. Step 3: Cross multiply
    19,471,808.45x = 29,158,273.22 × 11,685,821.75
  4. Step 4: Simplify right side
    19,471,808.45x = 340,738,383,182,498.06
  5. Step 5: Solve for x
    x = 340,738,383,182,498.06/19,471,808.45
  6. Step 6: Final answer
    x = 17,499,062.00

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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.