Home / 12,177,682.89-16,805,222.23-6,670,936.88

Finding the Fourth Proportional to 12,177,682.89, 16,805,222.23 and 6,670,936.88

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Solution

The fourth proportional to 12,177,682.89, 16,805,222.23 and 6,670,936.88 is: 9,205,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,682.89 : 16,805,222.23 = 6,670,936.88 : x
  2. Step 2: Convert to fraction form
    12,177,682.89/16,805,222.23 = 6,670,936.88/x
  3. Step 3: Cross multiply
    12,177,682.89x = 16,805,222.23 × 6,670,936.88
  4. Step 4: Simplify right side
    12,177,682.89x = 112,106,576,666,676.73
  5. Step 5: Solve for x
    x = 112,106,576,666,676.73/12,177,682.89
  6. Step 6: Final answer
    x = 9,205,903.76

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1.5x scale

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.