Finding the Fourth Proportional to 19,386,236.61, 29,079,656.34 and 5,740,763.19
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Solution
The fourth proportional to 19,386,236.61, 29,079,656.34 and 5,740,763.19 is: 8,611,234.04
Step by Step Solution
- Step 1: Write the proportion equation
19,386,236.61 : 29,079,656.34 = 5,740,763.19 : x - Step 2: Convert to fraction form
19,386,236.61/29,079,656.34 = 5,740,763.19/x - Step 3: Cross multiply
19,386,236.61x = 29,079,656.34 × 5,740,763.19 - Step 4: Simplify right side
19,386,236.61x = 166,939,420,694,522.12 - Step 5: Solve for x
x = 166,939,420,694,522.12/19,386,236.61 - Step 6: Final answer
x = 8,611,234.04
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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.