Finding the Fourth Proportional to 7,007,056.84, 9,669,864.42 and 4,107,269.80
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Solution
The fourth proportional to 7,007,056.84, 9,669,864.42 and 4,107,269.80 is: 5,668,106.17
Step by Step Solution
- Step 1: Write the proportion equation
7,007,056.84 : 9,669,864.42 = 4,107,269.80 : x - Step 2: Convert to fraction form
7,007,056.84/9,669,864.42 = 4,107,269.80/x - Step 3: Cross multiply
7,007,056.84x = 9,669,864.42 × 4,107,269.80 - Step 4: Simplify right side
7,007,056.84x = 39,716,742,102,360.52 - Step 5: Solve for x
x = 39,716,742,102,360.52/7,007,056.84 - Step 6: Final answer
x = 5,668,106.17
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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.