Home / 6,178,712.20-9,268,068.30-5,328,406.60

Finding the Fourth Proportional to 6,178,712.20, 9,268,068.30 and 5,328,406.60

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Solution

The fourth proportional to 6,178,712.20, 9,268,068.30 and 5,328,406.60 is: 7,992,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,712.20 : 9,268,068.30 = 5,328,406.60 : x
  2. Step 2: Convert to fraction form
    6,178,712.20/9,268,068.30 = 5,328,406.60/x
  3. Step 3: Cross multiply
    6,178,712.20x = 9,268,068.30 × 5,328,406.60
  4. Step 4: Simplify right side
    6,178,712.20x = 49,384,036,298,970.78
  5. Step 5: Solve for x
    x = 49,384,036,298,970.78/6,178,712.20
  6. Step 6: Final answer
    x = 7,992,609.90

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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.