Finding the Fourth Proportional to 40,051,538.70, 55,272,210.21 and 22,650,486.09
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Solution
The fourth proportional to 40,051,538.70, 55,272,210.21 and 22,650,486.09 is: 31,258,285.43
Step by Step Solution
- Step 1: Write the proportion equation
40,051,538.70 : 55,272,210.21 = 22,650,486.09 : x - Step 2: Convert to fraction form
40,051,538.70/55,272,210.21 = 22,650,486.09/x - Step 3: Cross multiply
40,051,538.70x = 55,272,210.21 × 22,650,486.09 - Step 4: Simplify right side
40,051,538.70x = 1,251,942,428,525,161 - Step 5: Solve for x
x = 1,251,942,428,525,161/40,051,538.70 - Step 6: Final answer
x = 31,258,285.43
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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.