Finding the Fourth Proportional to 19,961,405.40, 29,942,108.10 and 14,505,277.80
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Solution
The fourth proportional to 19,961,405.40, 29,942,108.10 and 14,505,277.80 is: 21,757,916.70
Step by Step Solution
- Step 1: Write the proportion equation
19,961,405.40 : 29,942,108.10 = 14,505,277.80 : x - Step 2: Convert to fraction form
19,961,405.40/29,942,108.10 = 14,505,277.80/x - Step 3: Cross multiply
19,961,405.40x = 29,942,108.10 × 14,505,277.80 - Step 4: Simplify right side
19,961,405.40x = 434,318,595,908,130.25 - Step 5: Solve for x
x = 434,318,595,908,130.25/19,961,405.40 - Step 6: Final answer
x = 21,757,916.70
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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.