Finding the Fourth Proportional to 7,076,009.66, 9,764,218.71 and 4,136,513.99
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Solution
The fourth proportional to 7,076,009.66, 9,764,218.71 and 4,136,513.99 is: 5,707,994.93
Step by Step Solution
- Step 1: Write the proportion equation
7,076,009.66 : 9,764,218.71 = 4,136,513.99 : x - Step 2: Convert to fraction form
7,076,009.66/9,764,218.71 = 4,136,513.99/x - Step 3: Cross multiply
7,076,009.66x = 9,764,218.71 × 4,136,513.99 - Step 4: Simplify right side
7,076,009.66x = 40,389,827,246,513.66 - Step 5: Solve for x
x = 40,389,827,246,513.66/7,076,009.66 - Step 6: Final answer
x = 5,707,994.93
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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.