Home / 11,420,330.40-15,760,633.32-6,264,171.72

Finding the Fourth Proportional to 11,420,330.40, 15,760,633.32 and 6,264,171.72

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Solution

The fourth proportional to 11,420,330.40, 15,760,633.32 and 6,264,171.72 is: 8,644,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420,330.40 : 15,760,633.32 = 6,264,171.72 : x
  2. Step 2: Convert to fraction form
    11,420,330.40/15,760,633.32 = 6,264,171.72/x
  3. Step 3: Cross multiply
    11,420,330.40x = 15,760,633.32 × 6,264,171.72
  4. Step 4: Simplify right side
    11,420,330.40x = 98,727,313,532,433.70
  5. Step 5: Solve for x
    x = 98,727,313,532,433.70/11,420,330.40
  6. Step 6: Final answer
    x = 8,644,873.67

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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.