Home / 10,871,672.85-16,272,023.67-7,992,277.20

Finding the Fourth Proportional to 10,871,672.85, 16,272,023.67 and 7,992,277.20

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Solution

The fourth proportional to 10,871,672.85, 16,272,023.67 and 7,992,277.20 is: 11,962,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,672.85 : 16,272,023.67 = 7,992,277.20 : x
  2. Step 2: Convert to fraction form
    10,871,672.85/16,272,023.67 = 7,992,277.20/x
  3. Step 3: Cross multiply
    10,871,672.85x = 16,272,023.67 × 7,992,277.20
  4. Step 4: Simplify right side
    10,871,672.85x = 130,050,523,775,601.33
  5. Step 5: Solve for x
    x = 130,050,523,775,601.33/10,871,672.85
  6. Step 6: Final answer
    x = 11,962,328.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.