Finding the Fourth Proportional to 51,802,356.88, 71,486,344.68 and 28,596,886.96
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Solution
The fourth proportional to 51,802,356.88, 71,486,344.68 and 28,596,886.96 is: 39,463,202.86
Step by Step Solution
- Step 1: Write the proportion equation
51,802,356.88 : 71,486,344.68 = 28,596,886.96 : x - Step 2: Convert to fraction form
51,802,356.88/71,486,344.68 = 28,596,886.96/x - Step 3: Cross multiply
51,802,356.88x = 71,486,344.68 × 28,596,886.96 - Step 4: Simplify right side
51,802,356.88x = 2,044,286,917,997,557.75 - Step 5: Solve for x
x = 2,044,286,917,997,557.75/51,802,356.88 - Step 6: Final answer
x = 39,463,202.86
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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.