Finding the Fourth Proportional to 36,912,510.40, 55,363,516.80 and 12,652,556.80
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Solution
The fourth proportional to 36,912,510.40, 55,363,516.80 and 12,652,556.80 is: 18,977,036.06
Step by Step Solution
- Step 1: Write the proportion equation
36,912,510.40 : 55,363,516.80 = 12,652,556.80 : x - Step 2: Convert to fraction form
36,912,510.40/55,363,516.80 = 12,652,556.80/x - Step 3: Cross multiply
36,912,510.40x = 55,363,516.80 × 12,652,556.80 - Step 4: Simplify right side
36,912,510.40x = 700,490,040,959,754.25 - Step 5: Solve for x
x = 700,490,040,959,754.25/36,912,510.40 - Step 6: Final answer
x = 18,977,036.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.