Finding the Fourth Proportional to 28,783,554.35, 39,721,240.37 and 16,393,646.93
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Solution
The fourth proportional to 28,783,554.35, 39,721,240.37 and 16,393,646.93 is: 22,623,195.95
Step by Step Solution
- Step 1: Write the proportion equation
28,783,554.35 : 39,721,240.37 = 16,393,646.93 : x - Step 2: Convert to fraction form
28,783,554.35/39,721,240.37 = 16,393,646.93/x - Step 3: Cross multiply
28,783,554.35x = 39,721,240.37 × 16,393,646.93 - Step 4: Simplify right side
28,783,554.35x = 651,175,990,165,474.38 - Step 5: Solve for x
x = 651,175,990,165,474.38/28,783,554.35 - Step 6: Final answer
x = 22,623,195.95
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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.