Home / 38,642,268.70-57,970,401.45-19,424,662.30

Finding the Fourth Proportional to 38,642,268.70, 57,970,401.45 and 19,424,662.30

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Solution

The fourth proportional to 38,642,268.70, 57,970,401.45 and 19,424,662.30 is: 29,140,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642,268.70 : 57,970,401.45 = 19,424,662.30 : x
  2. Step 2: Convert to fraction form
    38,642,268.70/57,970,401.45 = 19,424,662.30/x
  3. Step 3: Cross multiply
    38,642,268.70x = 57,970,401.45 × 19,424,662.30
  4. Step 4: Simplify right side
    38,642,268.70x = 1,126,055,471,561,680.50
  5. Step 5: Solve for x
    x = 1,126,055,471,561,680.50/38,642,268.70
  6. Step 6: Final answer
    x = 29,140,511.40

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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.