Finding the Fourth Proportional to 28,906,958.13, 39,887,924.66 and 16,517,854.63
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Solution
The fourth proportional to 28,906,958.13, 39,887,924.66 and 16,517,854.63 is: 22,792,537.99
Step by Step Solution
- Step 1: Write the proportion equation
28,906,958.13 : 39,887,924.66 = 16,517,854.63 : x - Step 2: Convert to fraction form
28,906,958.13/39,887,924.66 = 16,517,854.63/x - Step 3: Cross multiply
28,906,958.13x = 39,887,924.66 × 16,517,854.63 - Step 4: Simplify right side
28,906,958.13x = 658,862,941,148,397.62 - Step 5: Solve for x
x = 658,862,941,148,397.62/28,906,958.13 - Step 6: Final answer
x = 22,792,537.99
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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.