Finding the Fourth Proportional to 12,161,423.36, 16,782,763.98 and 6,654,798.01
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Solution
The fourth proportional to 12,161,423.36, 16,782,763.98 and 6,654,798.01 is: 9,183,621.12
Step by Step Solution
- Step 1: Write the proportion equation
12,161,423.36 : 16,782,763.98 = 6,654,798.01 : x - Step 2: Convert to fraction form
12,161,423.36/16,782,763.98 = 6,654,798.01/x - Step 3: Cross multiply
12,161,423.36x = 16,782,763.98 × 6,654,798.01 - Step 4: Simplify right side
12,161,423.36x = 111,685,904,382,337.64 - Step 5: Solve for x
x = 111,685,904,382,337.64/12,161,423.36 - Step 6: Final answer
x = 9,183,621.12
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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.