Finding the Fourth Proportional to 29,930,656.20, 41,305,722.99 and 16,877,634.78
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Solution
The fourth proportional to 29,930,656.20, 41,305,722.99 and 16,877,634.78 is: 23,291,935.28
Step by Step Solution
- Step 1: Write the proportion equation
29,930,656.20 : 41,305,722.99 = 16,877,634.78 : x - Step 2: Convert to fraction form
29,930,656.20/41,305,722.99 = 16,877,634.78/x - Step 3: Cross multiply
29,930,656.20x = 41,305,722.99 × 16,877,634.78 - Step 4: Simplify right side
29,930,656.20x = 697,142,906,949,069.62 - Step 5: Solve for x
x = 697,142,906,949,069.62/29,930,656.20 - Step 6: Final answer
x = 23,291,935.28
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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.