Home / 8,216,115.40-12,334,670.70-4,380,992.20

Finding the Fourth Proportional to 8,216,115.40, 12,334,670.70 and 4,380,992.20

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Solution

The fourth proportional to 8,216,115.40, 12,334,670.70 and 4,380,992.20 is: 6,577,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,115.40 : 12,334,670.70 = 4,380,992.20 : x
  2. Step 2: Convert to fraction form
    8,216,115.40/12,334,670.70 = 4,380,992.20/x
  3. Step 3: Cross multiply
    8,216,115.40x = 12,334,670.70 × 4,380,992.20
  4. Step 4: Simplify right side
    8,216,115.40x = 54,038,096,126,268.54
  5. Step 5: Solve for x
    x = 54,038,096,126,268.54/8,216,115.40
  6. Step 6: Final answer
    x = 6,577,085.82

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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.