Finding the Fourth Proportional to 21,500,101.93, 29,676,624.20 and 14,628,569.80
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Solution
The fourth proportional to 21,500,101.93, 29,676,624.20 and 14,628,569.80 is: 20,191,837.69
Step by Step Solution
- Step 1: Write the proportion equation
21,500,101.93 : 29,676,624.20 = 14,628,569.80 : x - Step 2: Convert to fraction form
21,500,101.93/29,676,624.20 = 14,628,569.80/x - Step 3: Cross multiply
21,500,101.93x = 29,676,624.20 × 14,628,569.80 - Step 4: Simplify right side
21,500,101.93x = 434,126,568,538,069.19 - Step 5: Solve for x
x = 434,126,568,538,069.19/21,500,101.93 - Step 6: Final answer
x = 20,191,837.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.