Finding the Fourth Proportional to 19,869,104.96, 29,782,437.60 and 11,331,056.96
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Solution
The fourth proportional to 19,869,104.96, 29,782,437.60 and 11,331,056.96 is: 16,984,484.08
Step by Step Solution
- Step 1: Write the proportion equation
19,869,104.96 : 29,782,437.60 = 11,331,056.96 : x - Step 2: Convert to fraction form
19,869,104.96/29,782,437.60 = 11,331,056.96/x - Step 3: Cross multiply
19,869,104.96x = 29,782,437.60 × 11,331,056.96 - Step 4: Simplify right side
19,869,104.96x = 337,466,496,853,245.75 - Step 5: Solve for x
x = 337,466,496,853,245.75/19,869,104.96 - Step 6: Final answer
x = 16,984,484.08
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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.