Home / 12,766,973.60-19,150,460.40-11,721,879.20

Finding the Fourth Proportional to 12,766,973.60, 19,150,460.40 and 11,721,879.20

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Solution

The fourth proportional to 12,766,973.60, 19,150,460.40 and 11,721,879.20 is: 17,582,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,973.60 : 19,150,460.40 = 11,721,879.20 : x
  2. Step 2: Convert to fraction form
    12,766,973.60/19,150,460.40 = 11,721,879.20/x
  3. Step 3: Cross multiply
    12,766,973.60x = 19,150,460.40 × 11,721,879.20
  4. Step 4: Simplify right side
    12,766,973.60x = 224,479,383,433,183.66
  5. Step 5: Solve for x
    x = 224,479,383,433,183.66/12,766,973.60
  6. Step 6: Final answer
    x = 17,582,818.80

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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.