Home / 12,829,791.76-17,705,111.16-7,673,152.48

Finding the Fourth Proportional to 12,829,791.76, 17,705,111.16 and 7,673,152.48

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Solution

The fourth proportional to 12,829,791.76, 17,705,111.16 and 7,673,152.48 is: 10,588,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,791.76 : 17,705,111.16 = 7,673,152.48 : x
  2. Step 2: Convert to fraction form
    12,829,791.76/17,705,111.16 = 7,673,152.48/x
  3. Step 3: Cross multiply
    12,829,791.76x = 17,705,111.16 × 7,673,152.48
  4. Step 4: Simplify right side
    12,829,791.76x = 135,854,017,606,029.69
  5. Step 5: Solve for x
    x = 135,854,017,606,029.69/12,829,791.76
  6. Step 6: Final answer
    x = 10,588,949.54

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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.