Home / 15,677,089.72-21,633,828.60-8,801,861.56

Finding the Fourth Proportional to 15,677,089.72, 21,633,828.60 and 8,801,861.56

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Solution

The fourth proportional to 15,677,089.72, 21,633,828.60 and 8,801,861.56 is: 12,146,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677,089.72 : 21,633,828.60 = 8,801,861.56 : x
  2. Step 2: Convert to fraction form
    15,677,089.72/21,633,828.60 = 8,801,861.56/x
  3. Step 3: Cross multiply
    15,677,089.72x = 21,633,828.60 × 8,801,861.56
  4. Step 4: Simplify right side
    15,677,089.72x = 190,417,964,328,891.03
  5. Step 5: Solve for x
    x = 190,417,964,328,891.03/15,677,089.72
  6. Step 6: Final answer
    x = 12,146,257.23

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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.