Finding the Fourth Proportional to 12,750,516.70, 17,596,124.04 and 7,243,791.37
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Solution
The fourth proportional to 12,750,516.70, 17,596,124.04 and 7,243,791.37 is: 9,996,665.58
Step by Step Solution
- Step 1: Write the proportion equation
12,750,516.70 : 17,596,124.04 = 7,243,791.37 : x - Step 2: Convert to fraction form
12,750,516.70/17,596,124.04 = 7,243,791.37/x - Step 3: Cross multiply
12,750,516.70x = 17,596,124.04 × 7,243,791.37 - Step 4: Simplify right side
12,750,516.70x = 127,462,651,466,401.53 - Step 5: Solve for x
x = 127,462,651,466,401.53/12,750,516.70 - Step 6: Final answer
x = 9,996,665.58
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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.