Home / 11,890,366.59-16,408,789.88-6,457,858.59

Finding the Fourth Proportional to 11,890,366.59, 16,408,789.88 and 6,457,858.59

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Solution

The fourth proportional to 11,890,366.59, 16,408,789.88 and 6,457,858.59 is: 8,911,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,366.59 : 16,408,789.88 = 6,457,858.59 : x
  2. Step 2: Convert to fraction form
    11,890,366.59/16,408,789.88 = 6,457,858.59/x
  3. Step 3: Cross multiply
    11,890,366.59x = 16,408,789.88 × 6,457,858.59
  4. Step 4: Simplify right side
    11,890,366.59x = 105,965,644,645,773.78
  5. Step 5: Solve for x
    x = 105,965,644,645,773.78/11,890,366.59
  6. Step 6: Final answer
    x = 8,911,890.47

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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.