Finding the Fourth Proportional to 10,692,136.20, 16,014,584.70 and 4,299,097.80
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Solution
The fourth proportional to 10,692,136.20, 16,014,584.70 and 4,299,097.80 is: 6,439,149.72
Step by Step Solution
- Step 1: Write the proportion equation
10,692,136.20 : 16,014,584.70 = 4,299,097.80 : x - Step 2: Convert to fraction form
10,692,136.20/16,014,584.70 = 4,299,097.80/x - Step 3: Cross multiply
10,692,136.20x = 16,014,584.70 × 4,299,097.80 - Step 4: Simplify right side
10,692,136.20x = 68,848,265,851,683.66 - Step 5: Solve for x
x = 68,848,265,851,683.66/10,692,136.20 - Step 6: Final answer
x = 6,439,149.72
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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.