Home / 15,112,128.08-20,854,744.48-8,585,768.95

Finding the Fourth Proportional to 15,112,128.08, 20,854,744.48 and 8,585,768.95

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Solution

The fourth proportional to 15,112,128.08, 20,854,744.48 and 8,585,768.95 is: 11,848,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,128.08 : 20,854,744.48 = 8,585,768.95 : x
  2. Step 2: Convert to fraction form
    15,112,128.08/20,854,744.48 = 8,585,768.95/x
  3. Step 3: Cross multiply
    15,112,128.08x = 20,854,744.48 × 8,585,768.95
  4. Step 4: Simplify right side
    15,112,128.08x = 179,054,017,575,163.25
  5. Step 5: Solve for x
    x = 179,054,017,575,163.25/15,112,128.08
  6. Step 6: Final answer
    x = 11,848,365.54

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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.