Finding the Fourth Proportional to 18,569,153.13, 27,788,565.20 and 14,916,908.63
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Solution
The fourth proportional to 18,569,153.13, 27,788,565.20 and 14,916,908.63 is: 22,323,015.21
Step by Step Solution
- Step 1: Write the proportion equation
18,569,153.13 : 27,788,565.20 = 14,916,908.63 : x - Step 2: Convert to fraction form
18,569,153.13/27,788,565.20 = 14,916,908.63/x - Step 3: Cross multiply
18,569,153.13x = 27,788,565.20 × 14,916,908.63 - Step 4: Simplify right side
18,569,153.13x = 414,519,487,833,670.31 - Step 5: Solve for x
x = 414,519,487,833,670.31/18,569,153.13 - Step 6: Final answer
x = 22,323,015.21
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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.