Home / 13,731,628.20-20,597,442.30-7,685,010.60

Finding the Fourth Proportional to 13,731,628.20, 20,597,442.30 and 7,685,010.60

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Solution

The fourth proportional to 13,731,628.20, 20,597,442.30 and 7,685,010.60 is: 11,527,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,628.20 : 20,597,442.30 = 7,685,010.60 : x
  2. Step 2: Convert to fraction form
    13,731,628.20/20,597,442.30 = 7,685,010.60/x
  3. Step 3: Cross multiply
    13,731,628.20x = 20,597,442.30 × 7,685,010.60
  4. Step 4: Simplify right side
    13,731,628.20x = 158,291,562,408,388.38
  5. Step 5: Solve for x
    x = 158,291,562,408,388.38/13,731,628.20
  6. Step 6: Final answer
    x = 11,527,515.90

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1.5x scale

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.