Home / 6,438,646.20-9,657,969.30-4,311,132.60

Finding the Fourth Proportional to 6,438,646.20, 9,657,969.30 and 4,311,132.60

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Solution

The fourth proportional to 6,438,646.20, 9,657,969.30 and 4,311,132.60 is: 6,466,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,646.20 : 9,657,969.30 = 4,311,132.60 : x
  2. Step 2: Convert to fraction form
    6,438,646.20/9,657,969.30 = 4,311,132.60/x
  3. Step 3: Cross multiply
    6,438,646.20x = 9,657,969.30 × 4,311,132.60
  4. Step 4: Simplify right side
    6,438,646.20x = 41,636,786,299,029.18
  5. Step 5: Solve for x
    x = 41,636,786,299,029.18/6,438,646.20
  6. Step 6: Final answer
    x = 6,466,698.90

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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.