Finding the Fourth Proportional to 18,374,974.84, 27,566,614.68 and 6,078,909.28
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Solution
The fourth proportional to 18,374,974.84, 27,566,614.68 and 6,078,909.28 is: 9,119,737.65
Step by Step Solution
- Step 1: Write the proportion equation
18,374,974.84 : 27,566,614.68 = 6,078,909.28 : x - Step 2: Convert to fraction form
18,374,974.84/27,566,614.68 = 6,078,909.28/x - Step 3: Cross multiply
18,374,974.84x = 27,566,614.68 × 6,078,909.28 - Step 4: Simplify right side
18,374,974.84x = 167,574,949,796,436.25 - Step 5: Solve for x
x = 167,574,949,796,436.25/18,374,974.84 - Step 6: Final answer
x = 9,119,737.65
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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.