Finding the Fourth Proportional to 28,307,754.18, 39,064,496.07 and 16,084,611.18
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Solution
The fourth proportional to 28,307,754.18, 39,064,496.07 and 16,084,611.18 is: 22,196,647.12
Step by Step Solution
- Step 1: Write the proportion equation
28,307,754.18 : 39,064,496.07 = 16,084,611.18 : x - Step 2: Convert to fraction form
28,307,754.18/39,064,496.07 = 16,084,611.18/x - Step 3: Cross multiply
28,307,754.18x = 39,064,496.07 × 16,084,611.18 - Step 4: Simplify right side
28,307,754.18x = 628,337,230,228,588 - Step 5: Solve for x
x = 628,337,230,228,588/28,307,754.18 - Step 6: Final answer
x = 22,196,647.12
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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.