Finding the Fourth Proportional to 34,689,853.97, 52,014,611.13 and 13,126,121.45
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Solution
The fourth proportional to 34,689,853.97, 52,014,611.13 and 13,126,121.45 is: 19,681,550.22
Step by Step Solution
- Step 1: Write the proportion equation
34,689,853.97 : 52,014,611.13 = 13,126,121.45 : x - Step 2: Convert to fraction form
34,689,853.97/52,014,611.13 = 13,126,121.45/x - Step 3: Cross multiply
34,689,853.97x = 52,014,611.13 × 13,126,121.45 - Step 4: Simplify right side
34,689,853.97x = 682,750,102,866,901.75 - Step 5: Solve for x
x = 682,750,102,866,901.75/34,689,853.97 - Step 6: Final answer
x = 19,681,550.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.