Home / 15,079,072,002.72-20,810,589,201.60-11,261,968,036.80

Finding the Fourth Proportional to 15,079,072,002.72, 20,810,589,201.60 and 11,261,968,036.80

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Solution

The fourth proportional to 15,079,072,002.72, 20,810,589,201.60 and 11,261,968,036.80 is: 15,542,613,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,072,002.72 : 20,810,589,201.60 = 11,261,968,036.80 : x
  2. Step 2: Convert to fraction form
    15,079,072,002.72/20,810,589,201.60 = 11,261,968,036.80/x
  3. Step 3: Cross multiply
    15,079,072,002.72x = 20,810,589,201.60 × 11,261,968,036.80
  4. Step 4: Simplify right side
    15,079,072,002.72x = 234,368,190,415,394,406,400
  5. Step 5: Solve for x
    x = 234,368,190,415,394,406,400/15,079,072,002.72
  6. Step 6: Final answer
    x = 15,542,613,655.08

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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.