Home / 10,921,136.20-16,381,704.30-4,855,856.20

Finding the Fourth Proportional to 10,921,136.20, 16,381,704.30 and 4,855,856.20

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Solution

The fourth proportional to 10,921,136.20, 16,381,704.30 and 4,855,856.20 is: 7,283,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,136.20 : 16,381,704.30 = 4,855,856.20 : x
  2. Step 2: Convert to fraction form
    10,921,136.20/16,381,704.30 = 4,855,856.20/x
  3. Step 3: Cross multiply
    10,921,136.20x = 16,381,704.30 × 4,855,856.20
  4. Step 4: Simplify right side
    10,921,136.20x = 79,547,200,391,721.67
  5. Step 5: Solve for x
    x = 79,547,200,391,721.67/10,921,136.20
  6. Step 6: Final answer
    x = 7,283,784.30

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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.