Finding the Fourth Proportional to 49,709,356.48, 68,597,839.68 and 27,382,966.88
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Solution
The fourth proportional to 49,709,356.48, 68,597,839.68 and 27,382,966.88 is: 37,787,903.63
Step by Step Solution
- Step 1: Write the proportion equation
49,709,356.48 : 68,597,839.68 = 27,382,966.88 : x - Step 2: Convert to fraction form
49,709,356.48/68,597,839.68 = 27,382,966.88/x - Step 3: Cross multiply
49,709,356.48x = 68,597,839.68 × 27,382,966.88 - Step 4: Simplify right side
49,709,356.48x = 1,878,412,371,996,990 - Step 5: Solve for x
x = 1,878,412,371,996,990/49,709,356.48 - Step 6: Final answer
x = 37,787,903.63
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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.