Home / 11,575,109.41-15,972,499.55-6,681,907.89

Finding the Fourth Proportional to 11,575,109.41, 15,972,499.55 and 6,681,907.89

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Solution

The fourth proportional to 11,575,109.41, 15,972,499.55 and 6,681,907.89 is: 9,220,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575,109.41 : 15,972,499.55 = 6,681,907.89 : x
  2. Step 2: Convert to fraction form
    11,575,109.41/15,972,499.55 = 6,681,907.89/x
  3. Step 3: Cross multiply
    11,575,109.41x = 15,972,499.55 × 6,681,907.89
  4. Step 4: Simplify right side
    11,575,109.41x = 106,726,770,782,871.22
  5. Step 5: Solve for x
    x = 106,726,770,782,871.22/11,575,109.41
  6. Step 6: Final answer
    x = 9,220,368.21

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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.