Finding the Fourth Proportional to 19,782,007.80, 29,673,011.70 and 14,932,116.60
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Solution
The fourth proportional to 19,782,007.80, 29,673,011.70 and 14,932,116.60 is: 22,398,174.90
Step by Step Solution
- Step 1: Write the proportion equation
19,782,007.80 : 29,673,011.70 = 14,932,116.60 : x - Step 2: Convert to fraction form
19,782,007.80/29,673,011.70 = 14,932,116.60/x - Step 3: Cross multiply
19,782,007.80x = 29,673,011.70 × 14,932,116.60 - Step 4: Simplify right side
19,782,007.80x = 443,080,870,577,564.19 - Step 5: Solve for x
x = 443,080,870,577,564.19/19,782,007.80 - Step 6: Final answer
x = 22,398,174.90
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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.