Home / 21,783,961.09-32,653,521.51-9,659,134.72

Finding the Fourth Proportional to 21,783,961.09, 32,653,521.51 and 9,659,134.72

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Solution

The fourth proportional to 21,783,961.09, 32,653,521.51 and 9,659,134.72 is: 14,478,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,961.09 : 32,653,521.51 = 9,659,134.72 : x
  2. Step 2: Convert to fraction form
    21,783,961.09/32,653,521.51 = 9,659,134.72/x
  3. Step 3: Cross multiply
    21,783,961.09x = 32,653,521.51 × 9,659,134.72
  4. Step 4: Simplify right side
    21,783,961.09x = 315,404,763,347,507.88
  5. Step 5: Solve for x
    x = 315,404,763,347,507.88/21,783,961.09
  6. Step 6: Final answer
    x = 14,478,760.87

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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.