Finding the Fourth Proportional to 8,338,012.32, 11,513,638.11 and 5,245,689.99
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Solution
The fourth proportional to 8,338,012.32, 11,513,638.11 and 5,245,689.99 is: 7,243,570.03
Step by Step Solution
- Step 1: Write the proportion equation
8,338,012.32 : 11,513,638.11 = 5,245,689.99 : x - Step 2: Convert to fraction form
8,338,012.32/11,513,638.11 = 5,245,689.99/x - Step 3: Cross multiply
8,338,012.32x = 11,513,638.11 × 5,245,689.99 - Step 4: Simplify right side
8,338,012.32x = 60,396,976,182,109.52 - Step 5: Solve for x
x = 60,396,976,182,109.52/8,338,012.32 - Step 6: Final answer
x = 7,243,570.03
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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.