Home / 10,921,083.20-16,381,624.80-4,855,803.20

Finding the Fourth Proportional to 10,921,083.20, 16,381,624.80 and 4,855,803.20

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Solution

The fourth proportional to 10,921,083.20, 16,381,624.80 and 4,855,803.20 is: 7,283,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,083.20 : 16,381,624.80 = 4,855,803.20 : x
  2. Step 2: Convert to fraction form
    10,921,083.20/16,381,624.80 = 4,855,803.20/x
  3. Step 3: Cross multiply
    10,921,083.20x = 16,381,624.80 × 4,855,803.20
  4. Step 4: Simplify right side
    10,921,083.20x = 79,545,946,125,039.36
  5. Step 5: Solve for x
    x = 79,545,946,125,039.36/10,921,083.20
  6. Step 6: Final answer
    x = 7,283,704.80

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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.