Finding the Fourth Proportional to 12,742,175.26, 17,583,634.38 and 7,444,361.08
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Solution
The fourth proportional to 12,742,175.26, 17,583,634.38 and 7,444,361.08 is: 10,272,886.75
Step by Step Solution
- Step 1: Write the proportion equation
12,742,175.26 : 17,583,634.38 = 7,444,361.08 : x - Step 2: Convert to fraction form
12,742,175.26/17,583,634.38 = 7,444,361.08/x - Step 3: Cross multiply
12,742,175.26x = 17,583,634.38 × 7,444,361.08 - Step 4: Simplify right side
12,742,175.26x = 130,898,923,423,421.92 - Step 5: Solve for x
x = 130,898,923,423,421.92/12,742,175.26 - Step 6: Final answer
x = 10,272,886.75
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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.