Home / 10,921,123.20-16,381,684.80-4,855,843.20

Finding the Fourth Proportional to 10,921,123.20, 16,381,684.80 and 4,855,843.20

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Solution

The fourth proportional to 10,921,123.20, 16,381,684.80 and 4,855,843.20 is: 7,283,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,123.20 : 16,381,684.80 = 4,855,843.20 : x
  2. Step 2: Convert to fraction form
    10,921,123.20/16,381,684.80 = 4,855,843.20/x
  3. Step 3: Cross multiply
    10,921,123.20x = 16,381,684.80 × 4,855,843.20
  4. Step 4: Simplify right side
    10,921,123.20x = 79,546,892,740,623.36
  5. Step 5: Solve for x
    x = 79,546,892,740,623.36/10,921,123.20
  6. Step 6: Final answer
    x = 7,283,764.80

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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.