Finding the Fourth Proportional to 18,432,513.31, 27,639,671.23 and 5,649,935.71
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Solution
The fourth proportional to 18,432,513.31, 27,639,671.23 and 5,649,935.71 is: 8,472,114.62
Step by Step Solution
- Step 1: Write the proportion equation
18,432,513.31 : 27,639,671.23 = 5,649,935.71 : x - Step 2: Convert to fraction form
18,432,513.31/27,639,671.23 = 5,649,935.71/x - Step 3: Cross multiply
18,432,513.31x = 27,639,671.23 × 5,649,935.71 - Step 4: Simplify right side
18,432,513.31x = 156,162,365,495,036.62 - Step 5: Solve for x
x = 156,162,365,495,036.62/18,432,513.31 - Step 6: Final answer
x = 8,472,114.62
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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.