Home / 12,322,073.80-18,447,681.30-11,967,779.80

Finding the Fourth Proportional to 12,322,073.80, 18,447,681.30 and 11,967,779.80

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Solution

The fourth proportional to 12,322,073.80, 18,447,681.30 and 11,967,779.80 is: 17,917,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,073.80 : 18,447,681.30 = 11,967,779.80 : x
  2. Step 2: Convert to fraction form
    12,322,073.80/18,447,681.30 = 11,967,779.80/x
  3. Step 3: Cross multiply
    12,322,073.80x = 18,447,681.30 × 11,967,779.80
  4. Step 4: Simplify right side
    12,322,073.80x = 220,777,787,618,977.75
  5. Step 5: Solve for x
    x = 220,777,787,618,977.75/12,322,073.80
  6. Step 6: Final answer
    x = 17,917,258.99

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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.