Home / 17,967,217.60-26,950,826.40-5,188,139.20

Finding the Fourth Proportional to 17,967,217.60, 26,950,826.40 and 5,188,139.20

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Solution

The fourth proportional to 17,967,217.60, 26,950,826.40 and 5,188,139.20 is: 7,782,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967,217.60 : 26,950,826.40 = 5,188,139.20 : x
  2. Step 2: Convert to fraction form
    17,967,217.60/26,950,826.40 = 5,188,139.20/x
  3. Step 3: Cross multiply
    17,967,217.60x = 26,950,826.40 × 5,188,139.20
  4. Step 4: Simplify right side
    17,967,217.60x = 139,824,638,918,234.88
  5. Step 5: Solve for x
    x = 139,824,638,918,234.88/17,967,217.60
  6. Step 6: Final answer
    x = 7,782,208.80

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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.