Home / 13,706,462.70-20,551,820.85-4,120,404.30

Finding the Fourth Proportional to 13,706,462.70, 20,551,820.85 and 4,120,404.30

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Solution

The fourth proportional to 13,706,462.70, 20,551,820.85 and 4,120,404.30 is: 6,178,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,462.70 : 20,551,820.85 = 4,120,404.30 : x
  2. Step 2: Convert to fraction form
    13,706,462.70/20,551,820.85 = 4,120,404.30/x
  3. Step 3: Cross multiply
    13,706,462.70x = 20,551,820.85 × 4,120,404.30
  4. Step 4: Simplify right side
    13,706,462.70x = 84,681,811,003,169.66
  5. Step 5: Solve for x
    x = 84,681,811,003,169.66/13,706,462.70
  6. Step 6: Final answer
    x = 6,178,239.63

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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.