Finding the Fourth Proportional to 62,718,823.80, 86,351,766.06 and 53,514,528.12
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Solution
The fourth proportional to 62,718,823.80, 86,351,766.06 and 53,514,528.12 is: 73,679,219.94
Step by Step Solution
- Step 1: Write the proportion equation
62,718,823.80 : 86,351,766.06 = 53,514,528.12 : x - Step 2: Convert to fraction form
62,718,823.80/86,351,766.06 = 53,514,528.12/x - Step 3: Cross multiply
62,718,823.80x = 86,351,766.06 × 53,514,528.12 - Step 4: Simplify right side
62,718,823.80x = 4,621,074,013,029,532 - Step 5: Solve for x
x = 4,621,074,013,029,532/62,718,823.80 - Step 6: Final answer
x = 73,679,219.94
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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.