Finding the Fourth Proportional to 19,361,618.40, 29,042,427.60 and 16,674,232.80
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Solution
The fourth proportional to 19,361,618.40, 29,042,427.60 and 16,674,232.80 is: 25,011,349.20
Step by Step Solution
- Step 1: Write the proportion equation
19,361,618.40 : 29,042,427.60 = 16,674,232.80 : x - Step 2: Convert to fraction form
19,361,618.40/29,042,427.60 = 16,674,232.80/x - Step 3: Cross multiply
19,361,618.40x = 29,042,427.60 × 16,674,232.80 - Step 4: Simplify right side
19,361,618.40x = 484,260,198,879,545.31 - Step 5: Solve for x
x = 484,260,198,879,545.31/19,361,618.40 - Step 6: Final answer
x = 25,011,349.20
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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.