Home / 13,561,324,940.30-18,715,675,563.02-8,136,063,987.22

Finding the Fourth Proportional to 13,561,324,940.30, 18,715,675,563.02 and 8,136,063,987.22

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Solution

The fourth proportional to 13,561,324,940.30, 18,715,675,563.02 and 8,136,063,987.22 is: 11,228,396,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,324,940.30 : 18,715,675,563.02 = 8,136,063,987.22 : x
  2. Step 2: Convert to fraction form
    13,561,324,940.30/18,715,675,563.02 = 8,136,063,987.22/x
  3. Step 3: Cross multiply
    13,561,324,940.30x = 18,715,675,563.02 × 8,136,063,987.22
  4. Step 4: Simplify right side
    13,561,324,940.30x = 152,271,933,944,646,172,672
  5. Step 5: Solve for x
    x = 152,271,933,944,646,172,672/13,561,324,940.30
  6. Step 6: Final answer
    x = 11,228,396,533.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.