Finding the Fourth Proportional to 36,163,007.28, 49,905,403.86 and 19,643,407.68
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Solution
The fourth proportional to 36,163,007.28, 49,905,403.86 and 19,643,407.68 is: 27,108,149.11
Step by Step Solution
- Step 1: Write the proportion equation
36,163,007.28 : 49,905,403.86 = 19,643,407.68 : x - Step 2: Convert to fraction form
36,163,007.28/49,905,403.86 = 19,643,407.68/x - Step 3: Cross multiply
36,163,007.28x = 49,905,403.86 × 19,643,407.68 - Step 4: Simplify right side
36,163,007.28x = 980,312,193,457,025.62 - Step 5: Solve for x
x = 980,312,193,457,025.62/36,163,007.28 - Step 6: Final answer
x = 27,108,149.11
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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.