Home / 20,511,499.24-30,767,878.62-7,048,136.68

Finding the Fourth Proportional to 20,511,499.24, 30,767,878.62 and 7,048,136.68

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Solution

The fourth proportional to 20,511,499.24, 30,767,878.62 and 7,048,136.68 is: 10,572,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,511,499.24 : 30,767,878.62 = 7,048,136.68 : x
  2. Step 2: Convert to fraction form
    20,511,499.24/30,767,878.62 = 7,048,136.68/x
  3. Step 3: Cross multiply
    20,511,499.24x = 30,767,878.62 × 7,048,136.68
  4. Step 4: Simplify right side
    20,511,499.24x = 216,856,213,867,409.78
  5. Step 5: Solve for x
    x = 216,856,213,867,409.78/20,511,499.24
  6. Step 6: Final answer
    x = 10,572,421.42

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1.5x scale

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.