Home / 12,208,556.21-18,295,734.71-9,173,987.10

Finding the Fourth Proportional to 12,208,556.21, 18,295,734.71 and 9,173,987.10

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Solution

The fourth proportional to 12,208,556.21, 18,295,734.71 and 9,173,987.10 is: 13,748,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,556.21 : 18,295,734.71 = 9,173,987.10 : x
  2. Step 2: Convert to fraction form
    12,208,556.21/18,295,734.71 = 9,173,987.10/x
  3. Step 3: Cross multiply
    12,208,556.21x = 18,295,734.71 × 9,173,987.10
  4. Step 4: Simplify right side
    12,208,556.21x = 167,844,834,123,083.59
  5. Step 5: Solve for x
    x = 167,844,834,123,083.59/12,208,556.21
  6. Step 6: Final answer
    x = 13,748,131.33

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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.