Home / 12,957,634.80-19,440,388.80-7,274,059.20

Finding the Fourth Proportional to 12,957,634.80, 19,440,388.80 and 7,274,059.20

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Solution

The fourth proportional to 12,957,634.80, 19,440,388.80 and 7,274,059.20 is: 10,913,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,634.80 : 19,440,388.80 = 7,274,059.20 : x
  2. Step 2: Convert to fraction form
    12,957,634.80/19,440,388.80 = 7,274,059.20/x
  3. Step 3: Cross multiply
    12,957,634.80x = 19,440,388.80 × 7,274,059.20
  4. Step 4: Simplify right side
    12,957,634.80x = 141,410,539,002,216.97
  5. Step 5: Solve for x
    x = 141,410,539,002,216.97/12,957,634.80
  6. Step 6: Final answer
    x = 10,913,298.70

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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.