Home / 11,890,419.88-16,408,230.60-6,733,818.40

Finding the Fourth Proportional to 11,890,419.88, 16,408,230.60 and 6,733,818.40

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Solution

The fourth proportional to 11,890,419.88, 16,408,230.60 and 6,733,818.40 is: 9,292,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,419.88 : 16,408,230.60 = 6,733,818.40 : x
  2. Step 2: Convert to fraction form
    11,890,419.88/16,408,230.60 = 6,733,818.40/x
  3. Step 3: Cross multiply
    11,890,419.88x = 16,408,230.60 × 6,733,818.40
  4. Step 4: Simplify right side
    11,890,419.88x = 110,490,045,125,723.05
  5. Step 5: Solve for x
    x = 110,490,045,125,723.05/11,890,419.88
  6. Step 6: Final answer
    x = 9,292,358.57

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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.