Home / 6,638,308-9,965,866.56-4,073,221.60

Finding the Fourth Proportional to 6,638,308, 9,965,866.56 and 4,073,221.60

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Solution

The fourth proportional to 6,638,308, 9,965,866.56 and 4,073,221.60 is: 6,114,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,308 : 9,965,866.56 = 4,073,221.60 : x
  2. Step 2: Convert to fraction form
    6,638,308/9,965,866.56 = 4,073,221.60/x
  3. Step 3: Cross multiply
    6,638,308x = 9,965,866.56 × 4,073,221.60
  4. Step 4: Simplify right side
    6,638,308x = 40,593,182,934,909.70
  5. Step 5: Solve for x
    x = 40,593,182,934,909.70/6,638,308
  6. Step 6: Final answer
    x = 6,114,989.38

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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.