Home / 13,483,211.70-20,224,817.55-7,800,510.90

Finding the Fourth Proportional to 13,483,211.70, 20,224,817.55 and 7,800,510.90

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Solution

The fourth proportional to 13,483,211.70, 20,224,817.55 and 7,800,510.90 is: 11,700,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,211.70 : 20,224,817.55 = 7,800,510.90 : x
  2. Step 2: Convert to fraction form
    13,483,211.70/20,224,817.55 = 7,800,510.90/x
  3. Step 3: Cross multiply
    13,483,211.70x = 20,224,817.55 × 7,800,510.90
  4. Step 4: Simplify right side
    13,483,211.70x = 157,763,909,749,286.31
  5. Step 5: Solve for x
    x = 157,763,909,749,286.31/13,483,211.70
  6. Step 6: Final answer
    x = 11,700,766.35

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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.