Finding the Fourth Proportional to 9,233,135.99, 12,742,387.40 and 5,103,078.29
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Solution
The fourth proportional to 9,233,135.99, 12,742,387.40 and 5,103,078.29 is: 7,042,612.67
Step by Step Solution
- Step 1: Write the proportion equation
9,233,135.99 : 12,742,387.40 = 5,103,078.29 : x - Step 2: Convert to fraction form
9,233,135.99/12,742,387.40 = 5,103,078.29/x - Step 3: Cross multiply
9,233,135.99x = 12,742,387.40 × 5,103,078.29 - Step 4: Simplify right side
9,233,135.99x = 65,025,400,503,709.55 - Step 5: Solve for x
x = 65,025,400,503,709.55/9,233,135.99 - Step 6: Final answer
x = 7,042,612.67
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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.