Home / 17,640,478.55-26,422,139.13-12,507,348.98

Finding the Fourth Proportional to 17,640,478.55, 26,422,139.13 and 12,507,348.98

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Solution

The fourth proportional to 17,640,478.55, 26,422,139.13 and 12,507,348.98 is: 18,733,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,478.55 : 26,422,139.13 = 12,507,348.98 : x
  2. Step 2: Convert to fraction form
    17,640,478.55/26,422,139.13 = 12,507,348.98/x
  3. Step 3: Cross multiply
    17,640,478.55x = 26,422,139.13 × 12,507,348.98
  4. Step 4: Simplify right side
    17,640,478.55x = 330,470,914,764,912.88
  5. Step 5: Solve for x
    x = 330,470,914,764,912.88/17,640,478.55
  6. Step 6: Final answer
    x = 18,733,670.63

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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.