Home / 12,394,394.36-18,534,515.70-11,789,732.60

Finding the Fourth Proportional to 12,394,394.36, 18,534,515.70 and 11,789,732.60

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Solution

The fourth proportional to 12,394,394.36, 18,534,515.70 and 11,789,732.60 is: 17,630,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,394.36 : 18,534,515.70 = 11,789,732.60 : x
  2. Step 2: Convert to fraction form
    12,394,394.36/18,534,515.70 = 11,789,732.60/x
  3. Step 3: Cross multiply
    12,394,394.36x = 18,534,515.70 × 11,789,732.60
  4. Step 4: Simplify right side
    12,394,394.36x = 218,516,983,973,501.81
  5. Step 5: Solve for x
    x = 218,516,983,973,501.81/12,394,394.36
  6. Step 6: Final answer
    x = 17,630,307.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.