Finding the Fourth Proportional to 18,115,583.95, 24,999,614.57 and 9,855,705.49
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Solution
The fourth proportional to 18,115,583.95, 24,999,614.57 and 9,855,705.49 is: 13,600,932.72
Step by Step Solution
- Step 1: Write the proportion equation
18,115,583.95 : 24,999,614.57 = 9,855,705.49 : x - Step 2: Convert to fraction form
18,115,583.95/24,999,614.57 = 9,855,705.49/x - Step 3: Cross multiply
18,115,583.95x = 24,999,614.57 × 9,855,705.49 - Step 4: Simplify right side
18,115,583.95x = 246,388,838,565,433 - Step 5: Solve for x
x = 246,388,838,565,433/18,115,583.95 - Step 6: Final answer
x = 13,600,932.72
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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.