Finding the Fourth Proportional to 8,772,318.66, 12,102,092.82 and 5,872,643.70
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Solution
The fourth proportional to 8,772,318.66, 12,102,092.82 and 5,872,643.70 is: 8,101,766.69
Step by Step Solution
- Step 1: Write the proportion equation
8,772,318.66 : 12,102,092.82 = 5,872,643.70 : x - Step 2: Convert to fraction form
8,772,318.66/12,102,092.82 = 5,872,643.70/x - Step 3: Cross multiply
8,772,318.66x = 12,102,092.82 × 5,872,643.70 - Step 4: Simplify right side
8,772,318.66x = 71,071,279,156,188.23 - Step 5: Solve for x
x = 71,071,279,156,188.23/8,772,318.66 - Step 6: Final answer
x = 8,101,766.69
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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.