Home / 11,135,656.90-16,704,747.06-9,991,389.07

Finding the Fourth Proportional to 11,135,656.90, 16,704,747.06 and 9,991,389.07

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Solution

The fourth proportional to 11,135,656.90, 16,704,747.06 and 9,991,389.07 is: 14,988,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135,656.90 : 16,704,747.06 = 9,991,389.07 : x
  2. Step 2: Convert to fraction form
    11,135,656.90/16,704,747.06 = 9,991,389.07/x
  3. Step 3: Cross multiply
    11,135,656.90x = 16,704,747.06 × 9,991,389.07
  4. Step 4: Simplify right side
    11,135,656.90x = 166,903,627,192,398.66
  5. Step 5: Solve for x
    x = 166,903,627,192,398.66/11,135,656.90
  6. Step 6: Final answer
    x = 14,988,215.67

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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.