Home / 30,632,819.67-42,273,290.37-16,881,783.79

Finding the Fourth Proportional to 30,632,819.67, 42,273,290.37 and 16,881,783.79

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Solution

The fourth proportional to 30,632,819.67, 42,273,290.37 and 16,881,783.79 is: 23,296,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,819.67 : 42,273,290.37 = 16,881,783.79 : x
  2. Step 2: Convert to fraction form
    30,632,819.67/42,273,290.37 = 16,881,783.79/x
  3. Step 3: Cross multiply
    30,632,819.67x = 42,273,290.37 × 16,881,783.79
  4. Step 4: Simplify right side
    30,632,819.67x = 713,648,548,273,987.62
  5. Step 5: Solve for x
    x = 713,648,548,273,987.62/30,632,819.67
  6. Step 6: Final answer
    x = 23,296,861.21

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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.