Home / 19,919,220.60-27,489,696.06-12,185,745.30

Finding the Fourth Proportional to 19,919,220.60, 27,489,696.06 and 12,185,745.30

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Solution

The fourth proportional to 19,919,220.60, 27,489,696.06 and 12,185,745.30 is: 16,817,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,220.60 : 27,489,696.06 = 12,185,745.30 : x
  2. Step 2: Convert to fraction form
    19,919,220.60/27,489,696.06 = 12,185,745.30/x
  3. Step 3: Cross multiply
    19,919,220.60x = 27,489,696.06 × 12,185,745.30
  4. Step 4: Simplify right side
    19,919,220.60x = 334,982,434,607,270.06
  5. Step 5: Solve for x
    x = 334,982,434,607,270.06/19,919,220.60
  6. Step 6: Final answer
    x = 16,817,045.27

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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.