Home / 19,156,772.60-26,427,151.61-12,538,447.27

Finding the Fourth Proportional to 19,156,772.60, 26,427,151.61 and 12,538,447.27

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Solution

The fourth proportional to 19,156,772.60, 26,427,151.61 and 12,538,447.27 is: 17,297,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,772.60 : 26,427,151.61 = 12,538,447.27 : x
  2. Step 2: Convert to fraction form
    19,156,772.60/26,427,151.61 = 12,538,447.27/x
  3. Step 3: Cross multiply
    19,156,772.60x = 26,427,151.61 × 12,538,447.27
  4. Step 4: Simplify right side
    19,156,772.60x = 331,355,446,915,594.69
  5. Step 5: Solve for x
    x = 331,355,446,915,594.69/19,156,772.60
  6. Step 6: Final answer
    x = 17,297,039.21

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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.