Home / 19,700,252.72-27,188,856.60-11,438,670.32

Finding the Fourth Proportional to 19,700,252.72, 27,188,856.60 and 11,438,670.32

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Solution

The fourth proportional to 19,700,252.72, 27,188,856.60 and 11,438,670.32 is: 15,786,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700,252.72 : 27,188,856.60 = 11,438,670.32 : x
  2. Step 2: Convert to fraction form
    19,700,252.72/27,188,856.60 = 11,438,670.32/x
  3. Step 3: Cross multiply
    19,700,252.72x = 27,188,856.60 × 11,438,670.32
  4. Step 4: Simplify right side
    19,700,252.72x = 311,004,367,025,156.12
  5. Step 5: Solve for x
    x = 311,004,367,025,156.12/19,700,252.72
  6. Step 6: Final answer
    x = 15,786,821.19

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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.