Finding the Fourth Proportional to 10,186,356.97, 14,057,438.56 and 5,602,798.63
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Solution
The fourth proportional to 10,186,356.97, 14,057,438.56 and 5,602,798.63 is: 7,732,008.39
Step by Step Solution
- Step 1: Write the proportion equation
10,186,356.97 : 14,057,438.56 = 5,602,798.63 : x - Step 2: Convert to fraction form
10,186,356.97/14,057,438.56 = 5,602,798.63/x - Step 3: Cross multiply
10,186,356.97x = 14,057,438.56 × 5,602,798.63 - Step 4: Simplify right side
10,186,356.97x = 78,760,997,505,277.17 - Step 5: Solve for x
x = 78,760,997,505,277.17/10,186,356.97 - Step 6: Final answer
x = 7,732,008.39
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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.