Home / 13,808,431.52-20,716,408.80-4,223,597.60

Finding the Fourth Proportional to 13,808,431.52, 20,716,408.80 and 4,223,597.60

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Solution

The fourth proportional to 13,808,431.52, 20,716,408.80 and 4,223,597.60 is: 6,336,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,431.52 : 20,716,408.80 = 4,223,597.60 : x
  2. Step 2: Convert to fraction form
    13,808,431.52/20,716,408.80 = 4,223,597.60/x
  3. Step 3: Cross multiply
    13,808,431.52x = 20,716,408.80 × 4,223,597.60
  4. Step 4: Simplify right side
    13,808,431.52x = 87,497,774,488,298.88
  5. Step 5: Solve for x
    x = 87,497,774,488,298.88/13,808,431.52
  6. Step 6: Final answer
    x = 6,336,546.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.