Finding the Fourth Proportional to 29,269,579.52, 40,391,988.18 and 16,039,079.05
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Solution
The fourth proportional to 29,269,579.52, 40,391,988.18 and 16,039,079.05 is: 22,133,911.80
Step by Step Solution
- Step 1: Write the proportion equation
29,269,579.52 : 40,391,988.18 = 16,039,079.05 : x - Step 2: Convert to fraction form
29,269,579.52/40,391,988.18 = 16,039,079.05/x - Step 3: Cross multiply
29,269,579.52x = 40,391,988.18 × 16,039,079.05 - Step 4: Simplify right side
29,269,579.52x = 647,850,291,405,685.62 - Step 5: Solve for x
x = 647,850,291,405,685.62/29,269,579.52 - Step 6: Final answer
x = 22,133,911.80
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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.