Home / 16,209,881.82-22,369,813.55-8,867,557.31

Finding the Fourth Proportional to 16,209,881.82, 22,369,813.55 and 8,867,557.31

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Solution

The fourth proportional to 16,209,881.82, 22,369,813.55 and 8,867,557.31 is: 12,237,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209,881.82 : 22,369,813.55 = 8,867,557.31 : x
  2. Step 2: Convert to fraction form
    16,209,881.82/22,369,813.55 = 8,867,557.31/x
  3. Step 3: Cross multiply
    16,209,881.82x = 22,369,813.55 × 8,867,557.31
  4. Step 4: Simplify right side
    16,209,881.82x = 198,365,603,512,452.72
  5. Step 5: Solve for x
    x = 198,365,603,512,452.72/16,209,881.82
  6. Step 6: Final answer
    x = 12,237,325.71

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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.