Home / 20,223,025.80-30,334,538.70-7,440,885.60

Finding the Fourth Proportional to 20,223,025.80, 30,334,538.70 and 7,440,885.60

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Solution

The fourth proportional to 20,223,025.80, 30,334,538.70 and 7,440,885.60 is: 11,161,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,025.80 : 30,334,538.70 = 7,440,885.60 : x
  2. Step 2: Convert to fraction form
    20,223,025.80/30,334,538.70 = 7,440,885.60/x
  3. Step 3: Cross multiply
    20,223,025.80x = 30,334,538.70 × 7,440,885.60
  4. Step 4: Simplify right side
    20,223,025.80x = 225,715,832,195,472.72
  5. Step 5: Solve for x
    x = 225,715,832,195,472.72/20,223,025.80
  6. Step 6: Final answer
    x = 11,161,328.40

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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.