Finding the Fourth Proportional to 8,750,612.70, 13,125,919.05 and 7,711,350.30
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Solution
The fourth proportional to 8,750,612.70, 13,125,919.05 and 7,711,350.30 is: 11,567,025.45
Step by Step Solution
- Step 1: Write the proportion equation
8,750,612.70 : 13,125,919.05 = 7,711,350.30 : x - Step 2: Convert to fraction form
8,750,612.70/13,125,919.05 = 7,711,350.30/x - Step 3: Cross multiply
8,750,612.70x = 13,125,919.05 × 7,711,350.30 - Step 4: Simplify right side
8,750,612.70x = 101,218,559,803,993.22 - Step 5: Solve for x
x = 101,218,559,803,993.22/8,750,612.70 - Step 6: Final answer
x = 11,567,025.45
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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.