Finding the Fourth Proportional to 36,102,379.92, 49,820,991.76 and 19,582,463.12
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Solution
The fourth proportional to 36,102,379.92, 49,820,991.76 and 19,582,463.12 is: 27,023,640.43
Step by Step Solution
- Step 1: Write the proportion equation
36,102,379.92 : 49,820,991.76 = 19,582,463.12 : x - Step 2: Convert to fraction form
36,102,379.92/49,820,991.76 = 19,582,463.12/x - Step 3: Cross multiply
36,102,379.92x = 49,820,991.76 × 19,582,463.12 - Step 4: Simplify right side
36,102,379.92x = 975,617,733,742,023.88 - Step 5: Solve for x
x = 975,617,733,742,023.88/36,102,379.92 - Step 6: Final answer
x = 27,023,640.43
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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.