Finding the Fourth Proportional to 10,509,149.36, 14,502,787.08 and 6,157,194.32
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Solution
The fourth proportional to 10,509,149.36, 14,502,787.08 and 6,157,194.32 is: 8,497,022.47
Step by Step Solution
- Step 1: Write the proportion equation
10,509,149.36 : 14,502,787.08 = 6,157,194.32 : x - Step 2: Convert to fraction form
10,509,149.36/14,502,787.08 = 6,157,194.32/x - Step 3: Cross multiply
10,509,149.36x = 14,502,787.08 × 6,157,194.32 - Step 4: Simplify right side
10,509,149.36x = 89,296,478,233,145.39 - Step 5: Solve for x
x = 89,296,478,233,145.39/10,509,149.36 - Step 6: Final answer
x = 8,497,022.47
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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.