Home / 20,899,676.67-28,840,596.42-11,607,840.84

Finding the Fourth Proportional to 20,899,676.67, 28,840,596.42 and 11,607,840.84

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Solution

The fourth proportional to 20,899,676.67, 28,840,596.42 and 11,607,840.84 is: 16,018,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,676.67 : 28,840,596.42 = 11,607,840.84 : x
  2. Step 2: Convert to fraction form
    20,899,676.67/28,840,596.42 = 11,607,840.84/x
  3. Step 3: Cross multiply
    20,899,676.67x = 28,840,596.42 × 11,607,840.84
  4. Step 4: Simplify right side
    20,899,676.67x = 334,777,052,974,033.81
  5. Step 5: Solve for x
    x = 334,777,052,974,033.81/20,899,676.67
  6. Step 6: Final answer
    x = 16,018,288.62

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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.