Finding the Fourth Proportional to 13,361,295.80, 20,041,943.70 and 11,846,688.95
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Solution
The fourth proportional to 13,361,295.80, 20,041,943.70 and 11,846,688.95 is: 17,770,033.43
Step by Step Solution
- Step 1: Write the proportion equation
13,361,295.80 : 20,041,943.70 = 11,846,688.95 : x - Step 2: Convert to fraction form
13,361,295.80/20,041,943.70 = 11,846,688.95/x - Step 3: Cross multiply
13,361,295.80x = 20,041,943.70 × 11,846,688.95 - Step 4: Simplify right side
13,361,295.80x = 237,430,672,967,312.09 - Step 5: Solve for x
x = 237,430,672,967,312.09/13,361,295.80 - Step 6: Final answer
x = 17,770,033.43
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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.