Finding the Fourth Proportional to 47,860,188.83, 71,808,376.11 and 18,734,843.09
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Solution
The fourth proportional to 47,860,188.83, 71,808,376.11 and 18,734,843.09 is: 28,109,347.07
Step by Step Solution
- Step 1: Write the proportion equation
47,860,188.83 : 71,808,376.11 = 18,734,843.09 : x - Step 2: Convert to fraction form
47,860,188.83/71,808,376.11 = 18,734,843.09/x - Step 3: Cross multiply
47,860,188.83x = 71,808,376.11 × 18,734,843.09 - Step 4: Simplify right side
47,860,188.83x = 1,345,318,658,609,512.75 - Step 5: Solve for x
x = 1,345,318,658,609,512.75/47,860,188.83 - Step 6: Final answer
x = 28,109,347.07
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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.