Home / 11,890,386-16,408,183.56-6,733,784.46

Finding the Fourth Proportional to 11,890,386, 16,408,183.56 and 6,733,784.46

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Solution

The fourth proportional to 11,890,386, 16,408,183.56 and 6,733,784.46 is: 9,292,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,386 : 16,408,183.56 = 6,733,784.46 : x
  2. Step 2: Convert to fraction form
    11,890,386/16,408,183.56 = 6,733,784.46/x
  3. Step 3: Cross multiply
    11,890,386x = 16,408,183.56 × 6,733,784.46
  4. Step 4: Simplify right side
    11,890,386x = 110,489,171,473,155.48
  5. Step 5: Solve for x
    x = 110,489,171,473,155.48/11,890,386
  6. Step 6: Final answer
    x = 9,292,311.58

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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.