Home / 12,942,425.90-19,413,638.85-12,774,464.30

Finding the Fourth Proportional to 12,942,425.90, 19,413,638.85 and 12,774,464.30

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Solution

The fourth proportional to 12,942,425.90, 19,413,638.85 and 12,774,464.30 is: 19,161,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,425.90 : 19,413,638.85 = 12,774,464.30 : x
  2. Step 2: Convert to fraction form
    12,942,425.90/19,413,638.85 = 12,774,464.30/x
  3. Step 3: Cross multiply
    12,942,425.90x = 19,413,638.85 × 12,774,464.30
  4. Step 4: Simplify right side
    12,942,425.90x = 247,998,836,422,418.09
  5. Step 5: Solve for x
    x = 247,998,836,422,418.09/12,942,425.90
  6. Step 6: Final answer
    x = 19,161,696.45

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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.