Finding the Fourth Proportional to 28,348,611.53, 42,488,371.19 and 14,694,230.12
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Solution
The fourth proportional to 28,348,611.53, 42,488,371.19 and 14,694,230.12 is: 22,023,438.54
Step by Step Solution
- Step 1: Write the proportion equation
28,348,611.53 : 42,488,371.19 = 14,694,230.12 : x - Step 2: Convert to fraction form
28,348,611.53/42,488,371.19 = 14,694,230.12/x - Step 3: Cross multiply
28,348,611.53x = 42,488,371.19 × 14,694,230.12 - Step 4: Simplify right side
28,348,611.53x = 624,333,903,514,132 - Step 5: Solve for x
x = 624,333,903,514,132/28,348,611.53 - Step 6: Final answer
x = 22,023,438.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.