Home / 11,890,513.89-16,408,359.90-6,733,912.59

Finding the Fourth Proportional to 11,890,513.89, 16,408,359.90 and 6,733,912.59

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Solution

The fourth proportional to 11,890,513.89, 16,408,359.90 and 6,733,912.59 is: 9,292,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,513.89 : 16,408,359.90 = 6,733,912.59 : x
  2. Step 2: Convert to fraction form
    11,890,513.89/16,408,359.90 = 6,733,912.59/x
  3. Step 3: Cross multiply
    11,890,513.89x = 16,408,359.90 × 6,733,912.59
  4. Step 4: Simplify right side
    11,890,513.89x = 110,492,461,311,861.14
  5. Step 5: Solve for x
    x = 110,492,461,311,861.14/11,890,513.89
  6. Step 6: Final answer
    x = 9,292,488.31

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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.