Finding the Fourth Proportional to 28,656,566.66, 39,540,808.06 and 16,899,523.18
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Solution
The fourth proportional to 28,656,566.66, 39,540,808.06 and 16,899,523.18 is: 23,318,243.60
Step by Step Solution
- Step 1: Write the proportion equation
28,656,566.66 : 39,540,808.06 = 16,899,523.18 : x - Step 2: Convert to fraction form
28,656,566.66/39,540,808.06 = 16,899,523.18/x - Step 3: Cross multiply
28,656,566.66x = 39,540,808.06 × 16,899,523.18 - Step 4: Simplify right side
28,656,566.66x = 668,220,802,224,799.88 - Step 5: Solve for x
x = 668,220,802,224,799.88/28,656,566.66 - Step 6: Final answer
x = 23,318,243.60
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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.