Finding the Fourth Proportional to 19,874,612.60, 29,811,929.29 and 6,228,821.76
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Solution
The fourth proportional to 19,874,612.60, 29,811,929.29 and 6,228,821.76 is: 9,343,235.90
Step by Step Solution
- Step 1: Write the proportion equation
19,874,612.60 : 29,811,929.29 = 6,228,821.76 : x - Step 2: Convert to fraction form
19,874,612.60/29,811,929.29 = 6,228,821.76/x - Step 3: Cross multiply
19,874,612.60x = 29,811,929.29 × 6,228,821.76 - Step 4: Simplify right side
19,874,612.60x = 185,693,193,837,989.25 - Step 5: Solve for x
x = 185,693,193,837,989.25/19,874,612.60 - Step 6: Final answer
x = 9,343,235.90
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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.