Home / 14,631,018.21-20,197,806.53-9,744,372.45

Finding the Fourth Proportional to 14,631,018.21, 20,197,806.53 and 9,744,372.45

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Solution

The fourth proportional to 14,631,018.21, 20,197,806.53 and 9,744,372.45 is: 13,451,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,018.21 : 20,197,806.53 = 9,744,372.45 : x
  2. Step 2: Convert to fraction form
    14,631,018.21/20,197,806.53 = 9,744,372.45/x
  3. Step 3: Cross multiply
    14,631,018.21x = 20,197,806.53 × 9,744,372.45
  4. Step 4: Simplify right side
    14,631,018.21x = 196,814,949,452,640.22
  5. Step 5: Solve for x
    x = 196,814,949,452,640.22/14,631,018.21
  6. Step 6: Final answer
    x = 13,451,896.96

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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.