Home / 13,021,628.22-17,970,063.03-7,220,654.46

Finding the Fourth Proportional to 13,021,628.22, 17,970,063.03 and 7,220,654.46

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Solution

The fourth proportional to 13,021,628.22, 17,970,063.03 and 7,220,654.46 is: 9,964,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,628.22 : 17,970,063.03 = 7,220,654.46 : x
  2. Step 2: Convert to fraction form
    13,021,628.22/17,970,063.03 = 7,220,654.46/x
  3. Step 3: Cross multiply
    13,021,628.22x = 17,970,063.03 × 7,220,654.46
  4. Step 4: Simplify right side
    13,021,628.22x = 129,755,615,764,050.62
  5. Step 5: Solve for x
    x = 129,755,615,764,050.62/13,021,628.22
  6. Step 6: Final answer
    x = 9,964,622.98

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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.