Finding the Fourth Proportional to 13,626,618.99, 18,806,426.00 and 7,825,276.19
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Solution
The fourth proportional to 13,626,618.99, 18,806,426.00 and 7,825,276.19 is: 10,799,852.67
Step by Step Solution
- Step 1: Write the proportion equation
13,626,618.99 : 18,806,426.00 = 7,825,276.19 : x - Step 2: Convert to fraction form
13,626,618.99/18,806,426.00 = 7,825,276.19/x - Step 3: Cross multiply
13,626,618.99x = 18,806,426.00 × 7,825,276.19 - Step 4: Simplify right side
13,626,618.99x = 147,165,477,463,638.44 - Step 5: Solve for x
x = 147,165,477,463,638.44/13,626,618.99 - Step 6: Final answer
x = 10,799,852.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.