Finding the Fourth Proportional to 20,230,671.66, 27,920,883.87 and 13,267,207.62
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Solution
The fourth proportional to 20,230,671.66, 27,920,883.87 and 13,267,207.62 is: 18,310,423.37
Step by Step Solution
- Step 1: Write the proportion equation
20,230,671.66 : 27,920,883.87 = 13,267,207.62 : x - Step 2: Convert to fraction form
20,230,671.66/27,920,883.87 = 13,267,207.62/x - Step 3: Cross multiply
20,230,671.66x = 27,920,883.87 × 13,267,207.62 - Step 4: Simplify right side
20,230,671.66x = 370,432,163,237,199.06 - Step 5: Solve for x
x = 370,432,163,237,199.06/20,230,671.66 - Step 6: Final answer
x = 18,310,423.37
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1.5x scale
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.