Finding the Fourth Proportional to 8,889,471.80, 13,334,207.70 and 6,019,690.40
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Solution
The fourth proportional to 8,889,471.80, 13,334,207.70 and 6,019,690.40 is: 9,029,535.60
Step by Step Solution
- Step 1: Write the proportion equation
8,889,471.80 : 13,334,207.70 = 6,019,690.40 : x - Step 2: Convert to fraction form
8,889,471.80/13,334,207.70 = 6,019,690.40/x - Step 3: Cross multiply
8,889,471.80x = 13,334,207.70 × 6,019,690.40 - Step 4: Simplify right side
8,889,471.80x = 80,267,802,083,296.08 - Step 5: Solve for x
x = 80,267,802,083,296.08/8,889,471.80 - Step 6: Final answer
x = 9,029,535.60
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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.