Finding the Fourth Proportional to 51,497,642.25, 71,066,807.96 and 27,976,194.53
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Solution
The fourth proportional to 51,497,642.25, 71,066,807.96 and 27,976,194.53 is: 38,607,181.94
Step by Step Solution
- Step 1: Write the proportion equation
51,497,642.25 : 71,066,807.96 = 27,976,194.53 : x - Step 2: Convert to fraction form
51,497,642.25/71,066,807.96 = 27,976,194.53/x - Step 3: Cross multiply
51,497,642.25x = 71,066,807.96 × 27,976,194.53 - Step 4: Simplify right side
51,497,642.25x = 1,988,178,843,886,397.75 - Step 5: Solve for x
x = 1,988,178,843,886,397.75/51,497,642.25 - Step 6: Final answer
x = 38,607,181.94
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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.