Home / 10,921,085.20-16,381,627.80-4,855,805.20

Finding the Fourth Proportional to 10,921,085.20, 16,381,627.80 and 4,855,805.20

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Solution

The fourth proportional to 10,921,085.20, 16,381,627.80 and 4,855,805.20 is: 7,283,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,085.20 : 16,381,627.80 = 4,855,805.20 : x
  2. Step 2: Convert to fraction form
    10,921,085.20/16,381,627.80 = 4,855,805.20/x
  3. Step 3: Cross multiply
    10,921,085.20x = 16,381,627.80 × 4,855,805.20
  4. Step 4: Simplify right side
    10,921,085.20x = 79,545,993,455,704.56
  5. Step 5: Solve for x
    x = 79,545,993,455,704.56/10,921,085.20
  6. Step 6: Final answer
    x = 7,283,707.80

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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.