Home / 11,059,285.28-15,258,633.68-7,197,490.72

Finding the Fourth Proportional to 11,059,285.28, 15,258,633.68 and 7,197,490.72

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Solution

The fourth proportional to 11,059,285.28, 15,258,633.68 and 7,197,490.72 is: 9,930,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059,285.28 : 15,258,633.68 = 7,197,490.72 : x
  2. Step 2: Convert to fraction form
    11,059,285.28/15,258,633.68 = 7,197,490.72/x
  3. Step 3: Cross multiply
    11,059,285.28x = 15,258,633.68 × 7,197,490.72
  4. Step 4: Simplify right side
    11,059,285.28x = 109,823,874,311,679.44
  5. Step 5: Solve for x
    x = 109,823,874,311,679.44/11,059,285.28
  6. Step 6: Final answer
    x = 9,930,467.61

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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.