Home / 20,956,039.64-28,919,977.67-11,664,125.91

Finding the Fourth Proportional to 20,956,039.64, 28,919,977.67 and 11,664,125.91

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Solution

The fourth proportional to 20,956,039.64, 28,919,977.67 and 11,664,125.91 is: 16,096,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,039.64 : 28,919,977.67 = 11,664,125.91 : x
  2. Step 2: Convert to fraction form
    20,956,039.64/28,919,977.67 = 11,664,125.91/x
  3. Step 3: Cross multiply
    20,956,039.64x = 28,919,977.67 × 11,664,125.91
  4. Step 4: Simplify right side
    20,956,039.64x = 337,326,260,886,428.75
  5. Step 5: Solve for x
    x = 337,326,260,886,428.75/20,956,039.64
  6. Step 6: Final answer
    x = 16,096,851.63

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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.