Home / 17,967,211.60-26,950,817.40-5,188,133.20

Finding the Fourth Proportional to 17,967,211.60, 26,950,817.40 and 5,188,133.20

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Solution

The fourth proportional to 17,967,211.60, 26,950,817.40 and 5,188,133.20 is: 7,782,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967,211.60 : 26,950,817.40 = 5,188,133.20 : x
  2. Step 2: Convert to fraction form
    17,967,211.60/26,950,817.40 = 5,188,133.20/x
  3. Step 3: Cross multiply
    17,967,211.60x = 26,950,817.40 × 5,188,133.20
  4. Step 4: Simplify right side
    17,967,211.60x = 139,824,430,520,077.67
  5. Step 5: Solve for x
    x = 139,824,430,520,077.67/17,967,211.60
  6. Step 6: Final answer
    x = 7,782,199.80

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1.5x scale

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.