Home / 12,919,910.96-17,829,880.88-7,414,292.92

Finding the Fourth Proportional to 12,919,910.96, 17,829,880.88 and 7,414,292.92

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Solution

The fourth proportional to 12,919,910.96, 17,829,880.88 and 7,414,292.92 is: 10,231,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,910.96 : 17,829,880.88 = 7,414,292.92 : x
  2. Step 2: Convert to fraction form
    12,919,910.96/17,829,880.88 = 7,414,292.92/x
  3. Step 3: Cross multiply
    12,919,910.96x = 17,829,880.88 × 7,414,292.92
  4. Step 4: Simplify right side
    12,919,910.96x = 132,195,959,573,027.36
  5. Step 5: Solve for x
    x = 132,195,959,573,027.36/12,919,910.96
  6. Step 6: Final answer
    x = 10,231,955.93

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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.