Finding the Fourth Proportional to 9,246,891.42, 12,762,515.08 and 5,576,405.58
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Solution
The fourth proportional to 9,246,891.42, 12,762,515.08 and 5,576,405.58 is: 7,696,528.17
Step by Step Solution
- Step 1: Write the proportion equation
9,246,891.42 : 12,762,515.08 = 5,576,405.58 : x - Step 2: Convert to fraction form
9,246,891.42/12,762,515.08 = 5,576,405.58/x - Step 3: Cross multiply
9,246,891.42x = 12,762,515.08 × 5,576,405.58 - Step 4: Simplify right side
9,246,891.42x = 71,168,960,257,074.58 - Step 5: Solve for x
x = 71,168,960,257,074.58/9,246,891.42 - Step 6: Final answer
x = 7,696,528.17
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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.