Home / 18,781,764.10-28,206,860.55-16,430,301.70

Finding the Fourth Proportional to 18,781,764.10, 28,206,860.55 and 16,430,301.70

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Solution

The fourth proportional to 18,781,764.10, 28,206,860.55 and 16,430,301.70 is: 24,675,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781,764.10 : 28,206,860.55 = 16,430,301.70 : x
  2. Step 2: Convert to fraction form
    18,781,764.10/28,206,860.55 = 16,430,301.70/x
  3. Step 3: Cross multiply
    18,781,764.10x = 28,206,860.55 × 16,430,301.70
  4. Step 4: Simplify right side
    18,781,764.10x = 463,447,228,846,327.94
  5. Step 5: Solve for x
    x = 463,447,228,846,327.94/18,781,764.10
  6. Step 6: Final answer
    x = 24,675,383.33

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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.