Home / 12,480,629.73-18,721,885.01-3,726,215.15

Finding the Fourth Proportional to 12,480,629.73, 18,721,885.01 and 3,726,215.15

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Solution

The fourth proportional to 12,480,629.73, 18,721,885.01 and 3,726,215.15 is: 5,589,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,629.73 : 18,721,885.01 = 3,726,215.15 : x
  2. Step 2: Convert to fraction form
    12,480,629.73/18,721,885.01 = 3,726,215.15/x
  3. Step 3: Cross multiply
    12,480,629.73x = 18,721,885.01 × 3,726,215.15
  4. Step 4: Simplify right side
    12,480,629.73x = 69,761,771,448,579.40
  5. Step 5: Solve for x
    x = 69,761,771,448,579.40/12,480,629.73
  6. Step 6: Final answer
    x = 5,589,603.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.