Home / 27,778,536.36-38,334,375.23-15,389,435.03

Finding the Fourth Proportional to 27,778,536.36, 38,334,375.23 and 15,389,435.03

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Solution

The fourth proportional to 27,778,536.36, 38,334,375.23 and 15,389,435.03 is: 21,237,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778,536.36 : 38,334,375.23 = 15,389,435.03 : x
  2. Step 2: Convert to fraction form
    27,778,536.36/38,334,375.23 = 15,389,435.03/x
  3. Step 3: Cross multiply
    27,778,536.36x = 38,334,375.23 × 15,389,435.03
  4. Step 4: Simplify right side
    27,778,536.36x = 589,944,376,749,107.25
  5. Step 5: Solve for x
    x = 589,944,376,749,107.25/27,778,536.36
  6. Step 6: Final answer
    x = 21,237,417.59

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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.