Home / 21,885,219.36-30,205,353-12,723,176.52

Finding the Fourth Proportional to 21,885,219.36, 30,205,353 and 12,723,176.52

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Solution

The fourth proportional to 21,885,219.36, 30,205,353 and 12,723,176.52 is: 17,560,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,219.36 : 30,205,353 = 12,723,176.52 : x
  2. Step 2: Convert to fraction form
    21,885,219.36/30,205,353 = 12,723,176.52/x
  3. Step 3: Cross multiply
    21,885,219.36x = 30,205,353 × 12,723,176.52
  4. Step 4: Simplify right side
    21,885,219.36x = 384,308,038,067,911.56
  5. Step 5: Solve for x
    x = 384,308,038,067,911.56/21,885,219.36
  6. Step 6: Final answer
    x = 17,560,163.86

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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.