Finding the Fourth Proportional to 8,240,038.19, 11,370,207.53 and 4,517,889.68
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Solution
The fourth proportional to 8,240,038.19, 11,370,207.53 and 4,517,889.68 is: 6,234,114.70
Step by Step Solution
- Step 1: Write the proportion equation
8,240,038.19 : 11,370,207.53 = 4,517,889.68 : x - Step 2: Convert to fraction form
8,240,038.19/11,370,207.53 = 4,517,889.68/x - Step 3: Cross multiply
8,240,038.19x = 11,370,207.53 × 4,517,889.68 - Step 4: Simplify right side
8,240,038.19x = 51,369,343,250,996.91 - Step 5: Solve for x
x = 51,369,343,250,996.91/8,240,038.19 - Step 6: Final answer
x = 6,234,114.70
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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.