Home / 8,632,540.28-11,912,903.78-4,765,060.42

Finding the Fourth Proportional to 8,632,540.28, 11,912,903.78 and 4,765,060.42

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Solution

The fourth proportional to 8,632,540.28, 11,912,903.78 and 4,765,060.42 is: 6,575,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,540.28 : 11,912,903.78 = 4,765,060.42 : x
  2. Step 2: Convert to fraction form
    8,632,540.28/11,912,903.78 = 4,765,060.42/x
  3. Step 3: Cross multiply
    8,632,540.28x = 11,912,903.78 × 4,765,060.42
  4. Step 4: Simplify right side
    8,632,540.28x = 56,765,706,289,346.38
  5. Step 5: Solve for x
    x = 56,765,706,289,346.38/8,632,540.28
  6. Step 6: Final answer
    x = 6,575,782.38

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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.