Home / 21,557,647.89-29,750,258.21-11,768,614.02

Finding the Fourth Proportional to 21,557,647.89, 29,750,258.21 and 11,768,614.02

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Solution

The fourth proportional to 21,557,647.89, 29,750,258.21 and 11,768,614.02 is: 16,241,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,647.89 : 29,750,258.21 = 11,768,614.02 : x
  2. Step 2: Convert to fraction form
    21,557,647.89/29,750,258.21 = 11,768,614.02/x
  3. Step 3: Cross multiply
    21,557,647.89x = 29,750,258.21 × 11,768,614.02
  4. Step 4: Simplify right side
    21,557,647.89x = 350,119,305,809,983
  5. Step 5: Solve for x
    x = 350,119,305,809,983/21,557,647.89
  6. Step 6: Final answer
    x = 16,241,071.73

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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.