Home / 7,452,169.60-11,178,254.40-2,660,015.20

Finding the Fourth Proportional to 7,452,169.60, 11,178,254.40 and 2,660,015.20

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Solution

The fourth proportional to 7,452,169.60, 11,178,254.40 and 2,660,015.20 is: 3,990,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,169.60 : 11,178,254.40 = 2,660,015.20 : x
  2. Step 2: Convert to fraction form
    7,452,169.60/11,178,254.40 = 2,660,015.20/x
  3. Step 3: Cross multiply
    7,452,169.60x = 11,178,254.40 × 2,660,015.20
  4. Step 4: Simplify right side
    7,452,169.60x = 29,734,326,613,466.88
  5. Step 5: Solve for x
    x = 29,734,326,613,466.88/7,452,169.60
  6. Step 6: Final answer
    x = 3,990,022.80

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1.5x scale

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.