Finding the Fourth Proportional to 19,683,462.20, 29,525,193.30 and 16,990,827.80
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Solution
The fourth proportional to 19,683,462.20, 29,525,193.30 and 16,990,827.80 is: 25,486,241.70
Step by Step Solution
- Step 1: Write the proportion equation
19,683,462.20 : 29,525,193.30 = 16,990,827.80 : x - Step 2: Convert to fraction form
19,683,462.20/29,525,193.30 = 16,990,827.80/x - Step 3: Cross multiply
19,683,462.20x = 29,525,193.30 × 16,990,827.80 - Step 4: Simplify right side
19,683,462.20x = 501,657,475,122,013.75 - Step 5: Solve for x
x = 501,657,475,122,013.75/19,683,462.20 - Step 6: Final answer
x = 25,486,241.70
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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.