Home / 12,370,383.60-17,071,704.12-7,726,917.84

Finding the Fourth Proportional to 12,370,383.60, 17,071,704.12 and 7,726,917.84

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Solution

The fourth proportional to 12,370,383.60, 17,071,704.12 and 7,726,917.84 is: 10,663,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370,383.60 : 17,071,704.12 = 7,726,917.84 : x
  2. Step 2: Convert to fraction form
    12,370,383.60/17,071,704.12 = 7,726,917.84/x
  3. Step 3: Cross multiply
    12,370,383.60x = 17,071,704.12 × 7,726,917.84
  4. Step 4: Simplify right side
    12,370,383.60x = 131,911,655,124,029.50
  5. Step 5: Solve for x
    x = 131,911,655,124,029.50/12,370,383.60
  6. Step 6: Final answer
    x = 10,663,505.63

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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.