Finding the Fourth Proportional to 20,170,202.20, 30,255,303.30 and 5,024,133.70
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Solution
The fourth proportional to 20,170,202.20, 30,255,303.30 and 5,024,133.70 is: 7,536,200.55
Step by Step Solution
- Step 1: Write the proportion equation
20,170,202.20 : 30,255,303.30 = 5,024,133.70 : x - Step 2: Convert to fraction form
20,170,202.20/30,255,303.30 = 5,024,133.70/x - Step 3: Cross multiply
20,170,202.20x = 30,255,303.30 × 5,024,133.70 - Step 4: Simplify right side
20,170,202.20x = 152,006,688,913,251.22 - Step 5: Solve for x
x = 152,006,688,913,251.22/20,170,202.20 - Step 6: Final answer
x = 7,536,200.55
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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.