Home / 11,905,808.92-16,429,540.26-7,011,237.40

Finding the Fourth Proportional to 11,905,808.92, 16,429,540.26 and 7,011,237.40

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Solution

The fourth proportional to 11,905,808.92, 16,429,540.26 and 7,011,237.40 is: 9,675,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,808.92 : 16,429,540.26 = 7,011,237.40 : x
  2. Step 2: Convert to fraction form
    11,905,808.92/16,429,540.26 = 7,011,237.40/x
  3. Step 3: Cross multiply
    11,905,808.92x = 16,429,540.26 × 7,011,237.40
  4. Step 4: Simplify right side
    11,905,808.92x = 115,191,407,135,717.73
  5. Step 5: Solve for x
    x = 115,191,407,135,717.73/11,905,808.92
  6. Step 6: Final answer
    x = 9,675,227.27

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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.