Home / 12,193,765.74-16,832,130.75-9,146,843.82

Finding the Fourth Proportional to 12,193,765.74, 16,832,130.75 and 9,146,843.82

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Solution

The fourth proportional to 12,193,765.74, 16,832,130.75 and 9,146,843.82 is: 12,626,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,765.74 : 16,832,130.75 = 9,146,843.82 : x
  2. Step 2: Convert to fraction form
    12,193,765.74/16,832,130.75 = 9,146,843.82/x
  3. Step 3: Cross multiply
    12,193,765.74x = 16,832,130.75 × 9,146,843.82
  4. Step 4: Simplify right side
    12,193,765.74x = 153,960,871,128,069.47
  5. Step 5: Solve for x
    x = 153,960,871,128,069.47/12,193,765.74
  6. Step 6: Final answer
    x = 12,626,195.58

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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.