Finding the Fourth Proportional to 30,383,946.18, 41,929,842.65 and 16,445,299.05
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Solution
The fourth proportional to 30,383,946.18, 41,929,842.65 and 16,445,299.05 is: 22,694,511.02
Step by Step Solution
- Step 1: Write the proportion equation
30,383,946.18 : 41,929,842.65 = 16,445,299.05 : x - Step 2: Convert to fraction form
30,383,946.18/41,929,842.65 = 16,445,299.05/x - Step 3: Cross multiply
30,383,946.18x = 41,929,842.65 × 16,445,299.05 - Step 4: Simplify right side
30,383,946.18x = 689,548,801,416,468.12 - Step 5: Solve for x
x = 689,548,801,416,468.12/30,383,946.18 - Step 6: Final answer
x = 22,694,511.02
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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.