Finding the Fourth Proportional to 30,771,287.93, 42,465,389.94 and 16,832,324.36
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Solution
The fourth proportional to 30,771,287.93, 42,465,389.94 and 16,832,324.36 is: 23,229,161.52
Step by Step Solution
- Step 1: Write the proportion equation
30,771,287.93 : 42,465,389.94 = 16,832,324.36 : x - Step 2: Convert to fraction form
30,771,287.93/42,465,389.94 = 16,832,324.36/x - Step 3: Cross multiply
30,771,287.93x = 42,465,389.94 × 16,832,324.36 - Step 4: Simplify right side
30,771,287.93x = 714,791,217,331,634 - Step 5: Solve for x
x = 714,791,217,331,634/30,771,287.93 - Step 6: Final answer
x = 23,229,161.52
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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.