Finding the Fourth Proportional to 7,742,525.75, 11,613,807.07 and 2,351,216.71
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Solution
The fourth proportional to 7,742,525.75, 11,613,807.07 and 2,351,216.71 is: 3,526,830.67
Step by Step Solution
- Step 1: Write the proportion equation
7,742,525.75 : 11,613,807.07 = 2,351,216.71 : x - Step 2: Convert to fraction form
7,742,525.75/11,613,807.07 = 2,351,216.71/x - Step 3: Cross multiply
7,742,525.75x = 11,613,807.07 × 2,351,216.71 - Step 4: Simplify right side
7,742,525.75x = 27,306,577,258,339.36 - Step 5: Solve for x
x = 27,306,577,258,339.36/7,742,525.75 - Step 6: Final answer
x = 3,526,830.67
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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.