Home / 21,620,301.64-29,836,015.81-11,830,745.45

Finding the Fourth Proportional to 21,620,301.64, 29,836,015.81 and 11,830,745.45

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Solution

The fourth proportional to 21,620,301.64, 29,836,015.81 and 11,830,745.45 is: 16,326,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,301.64 : 29,836,015.81 = 11,830,745.45 : x
  2. Step 2: Convert to fraction form
    21,620,301.64/29,836,015.81 = 11,830,745.45/x
  3. Step 3: Cross multiply
    21,620,301.64x = 29,836,015.81 × 11,830,745.45
  4. Step 4: Simplify right side
    21,620,301.64x = 352,982,308,335,298.75
  5. Step 5: Solve for x
    x = 352,982,308,335,298.75/21,620,301.64
  6. Step 6: Final answer
    x = 16,326,428.48

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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.