Home / 14,425,879.28-19,907,712.96-7,899,907.76

Finding the Fourth Proportional to 14,425,879.28, 19,907,712.96 and 7,899,907.76

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Solution

The fourth proportional to 14,425,879.28, 19,907,712.96 and 7,899,907.76 is: 10,901,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425,879.28 : 19,907,712.96 = 7,899,907.76 : x
  2. Step 2: Convert to fraction form
    14,425,879.28/19,907,712.96 = 7,899,907.76/x
  3. Step 3: Cross multiply
    14,425,879.28x = 19,907,712.96 × 7,899,907.76
  4. Step 4: Simplify right side
    14,425,879.28x = 157,269,096,096,556.56
  5. Step 5: Solve for x
    x = 157,269,096,096,556.56/14,425,879.28
  6. Step 6: Final answer
    x = 10,901,872.46

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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.