Home / 21,351,065.16-29,464,610.85-11,561,509.02

Finding the Fourth Proportional to 21,351,065.16, 29,464,610.85 and 11,561,509.02

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Solution

The fourth proportional to 21,351,065.16, 29,464,610.85 and 11,561,509.02 is: 15,954,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,065.16 : 29,464,610.85 = 11,561,509.02 : x
  2. Step 2: Convert to fraction form
    21,351,065.16/29,464,610.85 = 11,561,509.02/x
  3. Step 3: Cross multiply
    21,351,065.16x = 29,464,610.85 × 11,561,509.02
  4. Step 4: Simplify right side
    21,351,065.16x = 340,655,364,113,064.88
  5. Step 5: Solve for x
    x = 340,655,364,113,064.88/21,351,065.16
  6. Step 6: Final answer
    x = 15,954,958.76

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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.