Finding the Fourth Proportional to 11,427,812.74, 15,769,605.17 and 6,271,506.44
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Solution
The fourth proportional to 11,427,812.74, 15,769,605.17 and 6,271,506.44 is: 8,654,252.79
Step by Step Solution
- Step 1: Write the proportion equation
11,427,812.74 : 15,769,605.17 = 6,271,506.44 : x - Step 2: Convert to fraction form
11,427,812.74/15,769,605.17 = 6,271,506.44/x - Step 3: Cross multiply
11,427,812.74x = 15,769,605.17 × 6,271,506.44 - Step 4: Simplify right side
11,427,812.74x = 98,899,180,269,706.72 - Step 5: Solve for x
x = 98,899,180,269,706.72/11,427,812.74 - Step 6: Final answer
x = 8,654,252.79
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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.