Finding the Fourth Proportional to 30,230,826.94, 45,346,273.26 and 7,511,724.19
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Solution
The fourth proportional to 30,230,826.94, 45,346,273.26 and 7,511,724.19 is: 11,267,594.45
Step by Step Solution
- Step 1: Write the proportion equation
30,230,826.94 : 45,346,273.26 = 7,511,724.19 : x - Step 2: Convert to fraction form
30,230,826.94/45,346,273.26 = 7,511,724.19/x - Step 3: Cross multiply
30,230,826.94x = 45,346,273.26 × 7,511,724.19 - Step 4: Simplify right side
30,230,826.94x = 340,628,697,773,492.19 - Step 5: Solve for x
x = 340,628,697,773,492.19/30,230,826.94 - Step 6: Final answer
x = 11,267,594.45
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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.