Home / 19,079,494.87-26,327,311.55-12,897,991.21

Finding the Fourth Proportional to 19,079,494.87, 26,327,311.55 and 12,897,991.21

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Solution

The fourth proportional to 19,079,494.87, 26,327,311.55 and 12,897,991.21 is: 17,797,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,494.87 : 26,327,311.55 = 12,897,991.21 : x
  2. Step 2: Convert to fraction form
    19,079,494.87/26,327,311.55 = 12,897,991.21/x
  3. Step 3: Cross multiply
    19,079,494.87x = 26,327,311.55 × 12,897,991.21
  4. Step 4: Simplify right side
    19,079,494.87x = 339,569,432,954,831.50
  5. Step 5: Solve for x
    x = 339,569,432,954,831.50/19,079,494.87
  6. Step 6: Final answer
    x = 17,797,611.27

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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.