Home / 10,369,638.70-15,554,458.05-9,921,741.10

Finding the Fourth Proportional to 10,369,638.70, 15,554,458.05 and 9,921,741.10

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Solution

The fourth proportional to 10,369,638.70, 15,554,458.05 and 9,921,741.10 is: 14,882,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,638.70 : 15,554,458.05 = 9,921,741.10 : x
  2. Step 2: Convert to fraction form
    10,369,638.70/15,554,458.05 = 9,921,741.10/x
  3. Step 3: Cross multiply
    10,369,638.70x = 15,554,458.05 × 9,921,741.10
  4. Step 4: Simplify right side
    10,369,638.70x = 154,327,305,722,910.84
  5. Step 5: Solve for x
    x = 154,327,305,722,910.84/10,369,638.70
  6. Step 6: Final answer
    x = 14,882,611.65

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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.