Home / 6,990,120.36-9,648,064.80-4,049,462.25

Finding the Fourth Proportional to 6,990,120.36, 9,648,064.80 and 4,049,462.25

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Solution

The fourth proportional to 6,990,120.36, 9,648,064.80 and 4,049,462.25 is: 5,589,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,120.36 : 9,648,064.80 = 4,049,462.25 : x
  2. Step 2: Convert to fraction form
    6,990,120.36/9,648,064.80 = 4,049,462.25/x
  3. Step 3: Cross multiply
    6,990,120.36x = 9,648,064.80 × 4,049,462.25
  4. Step 4: Simplify right side
    6,990,120.36x = 39,069,474,193,153.80
  5. Step 5: Solve for x
    x = 39,069,474,193,153.80/6,990,120.36
  6. Step 6: Final answer
    x = 5,589,241.98

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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.