Home / 20,253,615.70-30,377,148.99-7,480,136.02

Finding the Fourth Proportional to 20,253,615.70, 30,377,148.99 and 7,480,136.02

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Solution

The fourth proportional to 20,253,615.70, 30,377,148.99 and 7,480,136.02 is: 11,218,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,615.70 : 30,377,148.99 = 7,480,136.02 : x
  2. Step 2: Convert to fraction form
    20,253,615.70/30,377,148.99 = 7,480,136.02/x
  3. Step 3: Cross multiply
    20,253,615.70x = 30,377,148.99 × 7,480,136.02
  4. Step 4: Simplify right side
    20,253,615.70x = 227,225,206,345,005.59
  5. Step 5: Solve for x
    x = 227,225,206,345,005.59/20,253,615.70
  6. Step 6: Final answer
    x = 11,218,994.66

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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.