Home / 10,867,984.03-15,010,971.60-7,923,137.50

Finding the Fourth Proportional to 10,867,984.03, 15,010,971.60 and 7,923,137.50

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Solution

The fourth proportional to 10,867,984.03, 15,010,971.60 and 7,923,137.50 is: 10,943,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,984.03 : 15,010,971.60 = 7,923,137.50 : x
  2. Step 2: Convert to fraction form
    10,867,984.03/15,010,971.60 = 7,923,137.50/x
  3. Step 3: Cross multiply
    10,867,984.03x = 15,010,971.60 × 7,923,137.50
  4. Step 4: Simplify right side
    10,867,984.03x = 118,933,991,995,395
  5. Step 5: Solve for x
    x = 118,933,991,995,395/10,867,984.03
  6. Step 6: Final answer
    x = 10,943,519.21

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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.