Finding the Fourth Proportional to 39,943,557.92, 55,121,570.34 and 22,302,733.16
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Solution
The fourth proportional to 39,943,557.92, 55,121,570.34 and 22,302,733.16 is: 30,777,470.48
Step by Step Solution
- Step 1: Write the proportion equation
39,943,557.92 : 55,121,570.34 = 22,302,733.16 : x - Step 2: Convert to fraction form
39,943,557.92/55,121,570.34 = 22,302,733.16/x - Step 3: Cross multiply
39,943,557.92x = 55,121,570.34 × 22,302,733.16 - Step 4: Simplify right side
39,943,557.92x = 1,229,361,674,653,190.50 - Step 5: Solve for x
x = 1,229,361,674,653,190.50/39,943,557.92 - Step 6: Final answer
x = 30,777,470.48
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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.