Home / 20,138,694.60-30,208,041.90-16,950,048.60

Finding the Fourth Proportional to 20,138,694.60, 30,208,041.90 and 16,950,048.60

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Solution

The fourth proportional to 20,138,694.60, 30,208,041.90 and 16,950,048.60 is: 25,425,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,694.60 : 30,208,041.90 = 16,950,048.60 : x
  2. Step 2: Convert to fraction form
    20,138,694.60/30,208,041.90 = 16,950,048.60/x
  3. Step 3: Cross multiply
    20,138,694.60x = 30,208,041.90 × 16,950,048.60
  4. Step 4: Simplify right side
    20,138,694.60x = 512,027,778,315,836.38
  5. Step 5: Solve for x
    x = 512,027,778,315,836.38/20,138,694.60
  6. Step 6: Final answer
    x = 25,425,072.90

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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.