Home / 20,970,000.63-31,440,377.23-9,292,020.60

Finding the Fourth Proportional to 20,970,000.63, 31,440,377.23 and 9,292,020.60

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Solution

The fourth proportional to 20,970,000.63, 31,440,377.23 and 9,292,020.60 is: 13,931,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,000.63 : 31,440,377.23 = 9,292,020.60 : x
  2. Step 2: Convert to fraction form
    20,970,000.63/31,440,377.23 = 9,292,020.60/x
  3. Step 3: Cross multiply
    20,970,000.63x = 31,440,377.23 × 9,292,020.60
  4. Step 4: Simplify right side
    20,970,000.63x = 292,144,632,751,799.44
  5. Step 5: Solve for x
    x = 292,144,632,751,799.44/20,970,000.63
  6. Step 6: Final answer
    x = 13,931,550.97

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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.