Home / 13,936,679.70-20,905,019.55-11,066,898.30

Finding the Fourth Proportional to 13,936,679.70, 20,905,019.55 and 11,066,898.30

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Solution

The fourth proportional to 13,936,679.70, 20,905,019.55 and 11,066,898.30 is: 16,600,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936,679.70 : 20,905,019.55 = 11,066,898.30 : x
  2. Step 2: Convert to fraction form
    13,936,679.70/20,905,019.55 = 11,066,898.30/x
  3. Step 3: Cross multiply
    13,936,679.70x = 20,905,019.55 × 11,066,898.30
  4. Step 4: Simplify right side
    13,936,679.70x = 231,353,725,319,361.78
  5. Step 5: Solve for x
    x = 231,353,725,319,361.78/13,936,679.70
  6. Step 6: Final answer
    x = 16,600,347.45

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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.