Home / 20,698,793.10-31,104,176.85-18,235,356.30

Finding the Fourth Proportional to 20,698,793.10, 31,104,176.85 and 18,235,356.30

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Solution

The fourth proportional to 20,698,793.10, 31,104,176.85 and 18,235,356.30 is: 27,402,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,793.10 : 31,104,176.85 = 18,235,356.30 : x
  2. Step 2: Convert to fraction form
    20,698,793.10/31,104,176.85 = 18,235,356.30/x
  3. Step 3: Cross multiply
    20,698,793.10x = 31,104,176.85 × 18,235,356.30
  4. Step 4: Simplify right side
    20,698,793.10x = 567,195,747,277,961.75
  5. Step 5: Solve for x
    x = 567,195,747,277,961.75/20,698,793.10
  6. Step 6: Final answer
    x = 27,402,358.41

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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.