Finding the Fourth Proportional to 11,411,249.63, 15,749,214.70 and 7,225,323.63
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Solution
The fourth proportional to 11,411,249.63, 15,749,214.70 and 7,225,323.63 is: 9,972,016.81
Step by Step Solution
- Step 1: Write the proportion equation
11,411,249.63 : 15,749,214.70 = 7,225,323.63 : x - Step 2: Convert to fraction form
11,411,249.63/15,749,214.70 = 7,225,323.63/x - Step 3: Cross multiply
11,411,249.63x = 15,749,214.70 × 7,225,323.63 - Step 4: Simplify right side
11,411,249.63x = 113,793,173,047,107.28 - Step 5: Solve for x
x = 113,793,173,047,107.28/11,411,249.63 - Step 6: Final answer
x = 9,972,016.81
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1.5x scale
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.