Finding the Fourth Proportional to 18,403,501.68, 27,641,124.12 and 14,994,307.66
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Solution
The fourth proportional to 18,403,501.68, 27,641,124.12 and 14,994,307.66 is: 22,520,687.98
Step by Step Solution
- Step 1: Write the proportion equation
18,403,501.68 : 27,641,124.12 = 14,994,307.66 : x - Step 2: Convert to fraction form
18,403,501.68/27,641,124.12 = 14,994,307.66/x - Step 3: Cross multiply
18,403,501.68x = 27,641,124.12 × 14,994,307.66 - Step 4: Simplify right side
18,403,501.68x = 414,459,519,123,526.75 - Step 5: Solve for x
x = 414,459,519,123,526.75/18,403,501.68 - Step 6: Final answer
x = 22,520,687.98
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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.