Finding the Fourth Proportional to 10,509,148.36, 14,502,785.70 and 6,157,193.32
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Solution
The fourth proportional to 10,509,148.36, 14,502,785.70 and 6,157,193.32 is: 8,497,021.09
Step by Step Solution
- Step 1: Write the proportion equation
10,509,148.36 : 14,502,785.70 = 6,157,193.32 : x - Step 2: Convert to fraction form
10,509,148.36/14,502,785.70 = 6,157,193.32/x - Step 3: Cross multiply
10,509,148.36x = 14,502,785.70 × 6,157,193.32 - Step 4: Simplify right side
10,509,148.36x = 89,296,455,233,431.53 - Step 5: Solve for x
x = 89,296,455,233,431.53/10,509,148.36 - Step 6: Final answer
x = 8,497,021.09
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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.