Finding the Fourth Proportional to 18,756,968.09, 25,884,060.02 and 10,384,710.99
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Solution
The fourth proportional to 18,756,968.09, 25,884,060.02 and 10,384,710.99 is: 14,330,593.37
Step by Step Solution
- Step 1: Write the proportion equation
18,756,968.09 : 25,884,060.02 = 10,384,710.99 : x - Step 2: Convert to fraction form
18,756,968.09/25,884,060.02 = 10,384,710.99/x - Step 3: Cross multiply
18,756,968.09x = 25,884,060.02 × 10,384,710.99 - Step 4: Simplify right side
18,756,968.09x = 268,798,482,445,467.53 - Step 5: Solve for x
x = 268,798,482,445,467.53/18,756,968.09 - Step 6: Final answer
x = 14,330,593.37
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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.