Finding the Fourth Proportional to 19,657,368.20, 29,486,052.30 and 16,298,136.20
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Solution
The fourth proportional to 19,657,368.20, 29,486,052.30 and 16,298,136.20 is: 24,447,204.30
Step by Step Solution
- Step 1: Write the proportion equation
19,657,368.20 : 29,486,052.30 = 16,298,136.20 : x - Step 2: Convert to fraction form
19,657,368.20/29,486,052.30 = 16,298,136.20/x - Step 3: Cross multiply
19,657,368.20x = 29,486,052.30 × 16,298,136.20 - Step 4: Simplify right side
19,657,368.20x = 480,567,696,385,723.25 - Step 5: Solve for x
x = 480,567,696,385,723.25/19,657,368.20 - Step 6: Final answer
x = 24,447,204.30
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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.