Finding the Fourth Proportional to 13,965,309.51, 19,271,824.47 and 8,085,191.46
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Solution
The fourth proportional to 13,965,309.51, 19,271,824.47 and 8,085,191.46 is: 11,157,388.99
Step by Step Solution
- Step 1: Write the proportion equation
13,965,309.51 : 19,271,824.47 = 8,085,191.46 : x - Step 2: Convert to fraction form
13,965,309.51/19,271,824.47 = 8,085,191.46/x - Step 3: Cross multiply
13,965,309.51x = 19,271,824.47 × 8,085,191.46 - Step 4: Simplify right side
13,965,309.51x = 155,816,390,623,463.03 - Step 5: Solve for x
x = 155,816,390,623,463.03/13,965,309.51 - Step 6: Final answer
x = 11,157,388.99
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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.