Finding the Fourth Proportional to 17,485,689.92, 24,130,409.10 and 9,645,502.28
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Solution
The fourth proportional to 17,485,689.92, 24,130,409.10 and 9,645,502.28 is: 13,310,879.76
Step by Step Solution
- Step 1: Write the proportion equation
17,485,689.92 : 24,130,409.10 = 9,645,502.28 : x - Step 2: Convert to fraction form
17,485,689.92/24,130,409.10 = 9,645,502.28/x - Step 3: Cross multiply
17,485,689.92x = 24,130,409.10 × 9,645,502.28 - Step 4: Simplify right side
17,485,689.92x = 232,749,915,991,382.75 - Step 5: Solve for x
x = 232,749,915,991,382.75/17,485,689.92 - Step 6: Final answer
x = 13,310,879.76
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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.