Home / 12,178,760.82-16,806,703.86-6,597,018.78

Finding the Fourth Proportional to 12,178,760.82, 16,806,703.86 and 6,597,018.78

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Solution

The fourth proportional to 12,178,760.82, 16,806,703.86 and 6,597,018.78 is: 9,103,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,760.82 : 16,806,703.86 = 6,597,018.78 : x
  2. Step 2: Convert to fraction form
    12,178,760.82/16,806,703.86 = 6,597,018.78/x
  3. Step 3: Cross multiply
    12,178,760.82x = 16,806,703.86 × 6,597,018.78
  4. Step 4: Simplify right side
    12,178,760.82x = 110,874,140,994,318.48
  5. Step 5: Solve for x
    x = 110,874,140,994,318.48/12,178,760.82
  6. Step 6: Final answer
    x = 9,103,893.46

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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.