Home / 12,770,509.48-17,623,676.40-6,969,663.68

Finding the Fourth Proportional to 12,770,509.48, 17,623,676.40 and 6,969,663.68

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Solution

The fourth proportional to 12,770,509.48, 17,623,676.40 and 6,969,663.68 is: 9,618,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,509.48 : 17,623,676.40 = 6,969,663.68 : x
  2. Step 2: Convert to fraction form
    12,770,509.48/17,623,676.40 = 6,969,663.68/x
  3. Step 3: Cross multiply
    12,770,509.48x = 17,623,676.40 × 6,969,663.68
  4. Step 4: Simplify right side
    12,770,509.48x = 122,831,097,313,153.14
  5. Step 5: Solve for x
    x = 122,831,097,313,153.14/12,770,509.48
  6. Step 6: Final answer
    x = 9,618,339.62

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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.