Finding the Fourth Proportional to 18,569,154.13, 27,788,566.69 and 14,916,909.63
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Solution
The fourth proportional to 18,569,154.13, 27,788,566.69 and 14,916,909.63 is: 22,323,016.72
Step by Step Solution
- Step 1: Write the proportion equation
18,569,154.13 : 27,788,566.69 = 14,916,909.63 : x - Step 2: Convert to fraction form
18,569,154.13/27,788,566.69 = 14,916,909.63/x - Step 3: Cross multiply
18,569,154.13x = 27,788,566.69 × 14,916,909.63 - Step 4: Simplify right side
18,569,154.13x = 414,519,538,061,958.25 - Step 5: Solve for x
x = 414,519,538,061,958.25/18,569,154.13 - Step 6: Final answer
x = 22,323,016.72
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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.