Finding the Fourth Proportional to 51,686,802.73, 71,328,266.13 and 28,482,760.09
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Solution
The fourth proportional to 51,686,802.73, 71,328,266.13 and 28,482,760.09 is: 39,306,472.53
Step by Step Solution
- Step 1: Write the proportion equation
51,686,802.73 : 71,328,266.13 = 28,482,760.09 : x - Step 2: Convert to fraction form
51,686,802.73/71,328,266.13 = 28,482,760.09/x - Step 3: Cross multiply
51,686,802.73x = 71,328,266.13 × 28,482,760.09 - Step 4: Simplify right side
51,686,802.73x = 2,031,625,891,816,462.50 - Step 5: Solve for x
x = 2,031,625,891,816,462.50/51,686,802.73 - Step 6: Final answer
x = 39,306,472.53
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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.