Finding the Fourth Proportional to 17,824,519.80, 26,736,779.70 and 8,258,581.80
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Solution
The fourth proportional to 17,824,519.80, 26,736,779.70 and 8,258,581.80 is: 12,387,872.70
Step by Step Solution
- Step 1: Write the proportion equation
17,824,519.80 : 26,736,779.70 = 8,258,581.80 : x - Step 2: Convert to fraction form
17,824,519.80/26,736,779.70 = 8,258,581.80/x - Step 3: Cross multiply
17,824,519.80x = 26,736,779.70 × 8,258,581.80 - Step 4: Simplify right side
17,824,519.80x = 220,807,882,221,029.44 - Step 5: Solve for x
x = 220,807,882,221,029.44/17,824,519.80 - Step 6: Final answer
x = 12,387,872.70
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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.