Finding the Fourth Proportional to 29,290,162.36, 43,942,561.44 and 20,671,091.68
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Solution
The fourth proportional to 29,290,162.36, 43,942,561.44 and 20,671,091.68 is: 31,011,802.02
Step by Step Solution
- Step 1: Write the proportion equation
29,290,162.36 : 43,942,561.44 = 20,671,091.68 : x - Step 2: Convert to fraction form
29,290,162.36/43,942,561.44 = 20,671,091.68/x - Step 3: Cross multiply
29,290,162.36x = 43,942,561.44 × 20,671,091.68 - Step 4: Simplify right side
29,290,162.36x = 908,340,716,180,272.75 - Step 5: Solve for x
x = 908,340,716,180,272.75/29,290,162.36 - Step 6: Final answer
x = 31,011,802.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.