Finding the Fourth Proportional to 19,587,621.80, 29,381,432.70 and 16,452,338.60
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Solution
The fourth proportional to 19,587,621.80, 29,381,432.70 and 16,452,338.60 is: 24,678,507.90
Step by Step Solution
- Step 1: Write the proportion equation
19,587,621.80 : 29,381,432.70 = 16,452,338.60 : x - Step 2: Convert to fraction form
19,587,621.80/29,381,432.70 = 16,452,338.60/x - Step 3: Cross multiply
19,587,621.80x = 29,381,432.70 × 16,452,338.60 - Step 4: Simplify right side
19,587,621.80x = 483,393,279,333,512.19 - Step 5: Solve for x
x = 483,393,279,333,512.19/19,587,621.80 - Step 6: Final answer
x = 24,678,507.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.