Finding the Fourth Proportional to 16,152,742.98, 22,290,855.12 and 8,810,733.96
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Solution
The fourth proportional to 16,152,742.98, 22,290,855.12 and 8,810,733.96 is: 12,158,850.94
Step by Step Solution
- Step 1: Write the proportion equation
16,152,742.98 : 22,290,855.12 = 8,810,733.96 : x - Step 2: Convert to fraction form
16,152,742.98/22,290,855.12 = 8,810,733.96/x - Step 3: Cross multiply
16,152,742.98x = 22,290,855.12 × 8,810,733.96 - Step 4: Simplify right side
16,152,742.98x = 196,398,794,203,223.91 - Step 5: Solve for x
x = 196,398,794,203,223.91/16,152,742.98 - Step 6: Final answer
x = 12,158,850.94
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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.