Finding the Fourth Proportional to 14,229,477.46, 19,636,674.74 and 7,703,102.08
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Solution
The fourth proportional to 14,229,477.46, 19,636,674.74 and 7,703,102.08 is: 10,630,278.62
Step by Step Solution
- Step 1: Write the proportion equation
14,229,477.46 : 19,636,674.74 = 7,703,102.08 : x - Step 2: Convert to fraction form
14,229,477.46/19,636,674.74 = 7,703,102.08/x - Step 3: Cross multiply
14,229,477.46x = 19,636,674.74 × 7,703,102.08 - Step 4: Simplify right side
14,229,477.46x = 151,263,310,033,977.44 - Step 5: Solve for x
x = 151,263,310,033,977.44/14,229,477.46 - Step 6: Final answer
x = 10,630,278.62
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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.