Finding the Fourth Proportional to 11,465,570.12, 15,822,012.30 and 6,238,599.80
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Solution
The fourth proportional to 11,465,570.12, 15,822,012.30 and 6,238,599.80 is: 8,609,009.56
Step by Step Solution
- Step 1: Write the proportion equation
11,465,570.12 : 15,822,012.30 = 6,238,599.80 : x - Step 2: Convert to fraction form
11,465,570.12/15,822,012.30 = 6,238,599.80/x - Step 3: Cross multiply
11,465,570.12x = 15,822,012.30 × 6,238,599.80 - Step 4: Simplify right side
11,465,570.12x = 98,707,202,770,377.55 - Step 5: Solve for x
x = 98,707,202,770,377.55/11,465,570.12 - Step 6: Final answer
x = 8,609,009.56
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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.