Finding the Fourth Proportional to 36,536,510.65, 50,420,367.23 and 21,852,176.65
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Solution
The fourth proportional to 36,536,510.65, 50,420,367.23 and 21,852,176.65 is: 30,155,993.33
Step by Step Solution
- Step 1: Write the proportion equation
36,536,510.65 : 50,420,367.23 = 21,852,176.65 : x - Step 2: Convert to fraction form
36,536,510.65/50,420,367.23 = 21,852,176.65/x - Step 3: Cross multiply
36,536,510.65x = 50,420,367.23 × 21,852,176.65 - Step 4: Simplify right side
36,536,510.65x = 1,101,794,771,467,831 - Step 5: Solve for x
x = 1,101,794,771,467,831/36,536,510.65 - Step 6: Final answer
x = 30,155,993.33
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1.5x scale
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.