Home / 12,704,435.78-19,045,938.87-5,510,553.21

Finding the Fourth Proportional to 12,704,435.78, 19,045,938.87 and 5,510,553.21

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Solution

The fourth proportional to 12,704,435.78, 19,045,938.87 and 5,510,553.21 is: 8,261,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,435.78 : 19,045,938.87 = 5,510,553.21 : x
  2. Step 2: Convert to fraction form
    12,704,435.78/19,045,938.87 = 5,510,553.21/x
  3. Step 3: Cross multiply
    12,704,435.78x = 19,045,938.87 × 5,510,553.21
  4. Step 4: Simplify right side
    12,704,435.78x = 104,953,659,577,542.28
  5. Step 5: Solve for x
    x = 104,953,659,577,542.28/12,704,435.78
  6. Step 6: Final answer
    x = 8,261,182.27

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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.