Finding the Fourth Proportional to 19,560,299.80, 29,350,947.30 and 8,201,896.60
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Solution
The fourth proportional to 19,560,299.80, 29,350,947.30 and 8,201,896.60 is: 12,307,246.68
Step by Step Solution
- Step 1: Write the proportion equation
19,560,299.80 : 29,350,947.30 = 8,201,896.60 : x - Step 2: Convert to fraction form
19,560,299.80/29,350,947.30 = 8,201,896.60/x - Step 3: Cross multiply
19,560,299.80x = 29,350,947.30 × 8,201,896.60 - Step 4: Simplify right side
19,560,299.80x = 240,733,434,866,649.19 - Step 5: Solve for x
x = 240,733,434,866,649.19/19,560,299.80 - Step 6: Final answer
x = 12,307,246.68
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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.