Finding the Fourth Proportional to 19,948,152.20, 29,847,578.70 and 13,229,688.20
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Solution
The fourth proportional to 19,948,152.20, 29,847,578.70 and 13,229,688.20 is: 19,795,024.41
Step by Step Solution
- Step 1: Write the proportion equation
19,948,152.20 : 29,847,578.70 = 13,229,688.20 : x - Step 2: Convert to fraction form
19,948,152.20/29,847,578.70 = 13,229,688.20/x - Step 3: Cross multiply
19,948,152.20x = 29,847,578.70 × 13,229,688.20 - Step 4: Simplify right side
19,948,152.20x = 394,874,159,725,961.31 - Step 5: Solve for x
x = 394,874,159,725,961.31/19,948,152.20 - Step 6: Final answer
x = 19,795,024.41
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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.