Home / 20,223,023.80-30,334,535.70-7,440,883.60

Finding the Fourth Proportional to 20,223,023.80, 30,334,535.70 and 7,440,883.60

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Solution

The fourth proportional to 20,223,023.80, 30,334,535.70 and 7,440,883.60 is: 11,161,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,023.80 : 30,334,535.70 = 7,440,883.60 : x
  2. Step 2: Convert to fraction form
    20,223,023.80/30,334,535.70 = 7,440,883.60/x
  3. Step 3: Cross multiply
    20,223,023.80x = 30,334,535.70 × 7,440,883.60
  4. Step 4: Simplify right side
    20,223,023.80x = 225,715,749,203,744.50
  5. Step 5: Solve for x
    x = 225,715,749,203,744.50/20,223,023.80
  6. Step 6: Final answer
    x = 11,161,325.40

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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.