Home / 6,445,605.80-9,660,114.30-4,942,245.80

Finding the Fourth Proportional to 6,445,605.80, 9,660,114.30 and 4,942,245.80

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Solution

The fourth proportional to 6,445,605.80, 9,660,114.30 and 4,942,245.80 is: 7,407,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,605.80 : 9,660,114.30 = 4,942,245.80 : x
  2. Step 2: Convert to fraction form
    6,445,605.80/9,660,114.30 = 4,942,245.80/x
  3. Step 3: Cross multiply
    6,445,605.80x = 9,660,114.30 × 4,942,245.80
  4. Step 4: Simplify right side
    6,445,605.80x = 47,742,659,326,694.95
  5. Step 5: Solve for x
    x = 47,742,659,326,694.95/6,445,605.80
  6. Step 6: Final answer
    x = 7,407,008.87

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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.