Finding the Fourth Proportional to 13,913,276.85, 20,860,136.65 and 6,128,497.26
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Solution
The fourth proportional to 13,913,276.85, 20,860,136.65 and 6,128,497.26 is: 9,188,438.62
Step by Step Solution
- Step 1: Write the proportion equation
13,913,276.85 : 20,860,136.65 = 6,128,497.26 : x - Step 2: Convert to fraction form
13,913,276.85/20,860,136.65 = 6,128,497.26/x - Step 3: Cross multiply
13,913,276.85x = 20,860,136.65 × 6,128,497.26 - Step 4: Simplify right side
13,913,276.85x = 127,841,290,310,411.20 - Step 5: Solve for x
x = 127,841,290,310,411.20/13,913,276.85 - Step 6: Final answer
x = 9,188,438.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.