Home / 18,808,308.92-25,863,425.78-16,323,215.20

Finding the Fourth Proportional to 18,808,308.92, 25,863,425.78 and 16,323,215.20

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Solution

The fourth proportional to 18,808,308.92, 25,863,425.78 and 16,323,215.20 is: 22,446,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,308.92 : 25,863,425.78 = 16,323,215.20 : x
  2. Step 2: Convert to fraction form
    18,808,308.92/25,863,425.78 = 16,323,215.20/x
  3. Step 3: Cross multiply
    18,808,308.92x = 25,863,425.78 × 16,323,215.20
  4. Step 4: Simplify right side
    18,808,308.92x = 422,174,264,816,167.88
  5. Step 5: Solve for x
    x = 422,174,264,816,167.88/18,808,308.92
  6. Step 6: Final answer
    x = 22,446,157.53

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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.