Finding the Fourth Proportional to 29,695,415.57, 40,981,279.62 and 16,646,865.96
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Solution
The fourth proportional to 29,695,415.57, 40,981,279.62 and 16,646,865.96 is: 22,973,575.41
Step by Step Solution
- Step 1: Write the proportion equation
29,695,415.57 : 40,981,279.62 = 16,646,865.96 : x - Step 2: Convert to fraction form
29,695,415.57/40,981,279.62 = 16,646,865.96/x - Step 3: Cross multiply
29,695,415.57x = 40,981,279.62 × 16,646,865.96 - Step 4: Simplify right side
29,695,415.57x = 682,209,868,703,419.75 - Step 5: Solve for x
x = 682,209,868,703,419.75/29,695,415.57 - Step 6: Final answer
x = 22,973,575.41
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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.