Finding the Fourth Proportional to 29,138,542.84, 40,211,318.10 and 16,085,909.08
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Solution
The fourth proportional to 29,138,542.84, 40,211,318.10 and 16,085,909.08 is: 22,198,625.73
Step by Step Solution
- Step 1: Write the proportion equation
29,138,542.84 : 40,211,318.10 = 16,085,909.08 : x - Step 2: Convert to fraction form
29,138,542.84/40,211,318.10 = 16,085,909.08/x - Step 3: Cross multiply
29,138,542.84x = 40,211,318.10 × 16,085,909.08 - Step 4: Simplify right side
29,138,542.84x = 646,835,606,943,558.38 - Step 5: Solve for x
x = 646,835,606,943,558.38/29,138,542.84 - Step 6: Final answer
x = 22,198,625.73
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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.