Home / 9,259,100.89-12,777,420.84-5,129,119.67

Finding the Fourth Proportional to 9,259,100.89, 12,777,420.84 and 5,129,119.67

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Solution

The fourth proportional to 9,259,100.89, 12,777,420.84 and 5,129,119.67 is: 7,078,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,100.89 : 12,777,420.84 = 5,129,119.67 : x
  2. Step 2: Convert to fraction form
    9,259,100.89/12,777,420.84 = 5,129,119.67/x
  3. Step 3: Cross multiply
    9,259,100.89x = 12,777,420.84 × 5,129,119.67
  4. Step 4: Simplify right side
    9,259,100.89x = 65,536,920,479,190.62
  5. Step 5: Solve for x
    x = 65,536,920,479,190.62/9,259,100.89
  6. Step 6: Final answer
    x = 7,078,108.48

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1.5x scale

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.