Finding the Fourth Proportional to 13,157,582.49, 19,738,229.04 and 4,060,420.65
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Solution
The fourth proportional to 13,157,582.49, 19,738,229.04 and 4,060,420.65 is: 6,091,203.52
Step by Step Solution
- Step 1: Write the proportion equation
13,157,582.49 : 19,738,229.04 = 4,060,420.65 : x - Step 2: Convert to fraction form
13,157,582.49/19,738,229.04 = 4,060,420.65/x - Step 3: Cross multiply
13,157,582.49x = 19,738,229.04 × 4,060,420.65 - Step 4: Simplify right side
13,157,582.49x = 80,145,512,788,445.67 - Step 5: Solve for x
x = 80,145,512,788,445.67/13,157,582.49 - Step 6: Final answer
x = 6,091,203.52
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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.