Home / 18,876,885.05-26,052,100.18-11,539,013.44

Finding the Fourth Proportional to 18,876,885.05, 26,052,100.18 and 11,539,013.44

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Solution

The fourth proportional to 18,876,885.05, 26,052,100.18 and 11,539,013.44 is: 15,925,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,885.05 : 26,052,100.18 = 11,539,013.44 : x
  2. Step 2: Convert to fraction form
    18,876,885.05/26,052,100.18 = 11,539,013.44/x
  3. Step 3: Cross multiply
    18,876,885.05x = 26,052,100.18 × 11,539,013.44
  4. Step 4: Simplify right side
    18,876,885.05x = 300,615,534,117,246.38
  5. Step 5: Solve for x
    x = 300,615,534,117,246.38/18,876,885.05
  6. Step 6: Final answer
    x = 15,925,060.38

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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.