Finding the Fourth Proportional to 19,442,341.80, 29,163,512.70 and 5,979,169.80
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Solution
The fourth proportional to 19,442,341.80, 29,163,512.70 and 5,979,169.80 is: 8,968,754.70
Step by Step Solution
- Step 1: Write the proportion equation
19,442,341.80 : 29,163,512.70 = 5,979,169.80 : x - Step 2: Convert to fraction form
19,442,341.80/29,163,512.70 = 5,979,169.80/x - Step 3: Cross multiply
19,442,341.80x = 29,163,512.70 × 5,979,169.80 - Step 4: Simplify right side
19,442,341.80x = 174,373,594,397,756.44 - Step 5: Solve for x
x = 174,373,594,397,756.44/19,442,341.80 - Step 6: Final answer
x = 8,968,754.70
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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.