Finding the Fourth Proportional to 18,967,723.08, 26,176,092.59 and 11,624,138.05
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Solution
The fourth proportional to 18,967,723.08, 26,176,092.59 and 11,624,138.05 is: 16,041,699.50
Step by Step Solution
- Step 1: Write the proportion equation
18,967,723.08 : 26,176,092.59 = 11,624,138.05 : x - Step 2: Convert to fraction form
18,967,723.08/26,176,092.59 = 11,624,138.05/x - Step 3: Cross multiply
18,967,723.08x = 26,176,092.59 × 11,624,138.05 - Step 4: Simplify right side
18,967,723.08x = 304,274,513,896,689.88 - Step 5: Solve for x
x = 304,274,513,896,689.88/18,967,723.08 - Step 6: Final answer
x = 16,041,699.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.