Finding the Fourth Proportional to 22,742,786.40, 34,125,989.40 and 9,964,582.80
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Solution
The fourth proportional to 22,742,786.40, 34,125,989.40 and 9,964,582.80 is: 14,952,048.58
Step by Step Solution
- Step 1: Write the proportion equation
22,742,786.40 : 34,125,989.40 = 9,964,582.80 : x - Step 2: Convert to fraction form
22,742,786.40/34,125,989.40 = 9,964,582.80/x - Step 3: Cross multiply
22,742,786.40x = 34,125,989.40 × 9,964,582.80 - Step 4: Simplify right side
22,742,786.40x = 340,051,247,008,222.31 - Step 5: Solve for x
x = 340,051,247,008,222.31/22,742,786.40 - Step 6: Final answer
x = 14,952,048.58
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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.