Home / 18,654,912.37-25,732,004.50-12,843,605.04

Finding the Fourth Proportional to 18,654,912.37, 25,732,004.50 and 12,843,605.04

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Solution

The fourth proportional to 18,654,912.37, 25,732,004.50 and 12,843,605.04 is: 17,716,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,912.37 : 25,732,004.50 = 12,843,605.04 : x
  2. Step 2: Convert to fraction form
    18,654,912.37/25,732,004.50 = 12,843,605.04/x
  3. Step 3: Cross multiply
    18,654,912.37x = 25,732,004.50 × 12,843,605.04
  4. Step 4: Simplify right side
    18,654,912.37x = 330,491,702,685,502.69
  5. Step 5: Solve for x
    x = 330,491,702,685,502.69/18,654,912.37
  6. Step 6: Final answer
    x = 17,716,068.35

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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.