Finding the Fourth Proportional to 20,896,337.84, 31,330,197.24 and 10,641,346.88
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Solution
The fourth proportional to 20,896,337.84, 31,330,197.24 and 10,641,346.88 is: 15,954,733.27
Step by Step Solution
- Step 1: Write the proportion equation
20,896,337.84 : 31,330,197.24 = 10,641,346.88 : x - Step 2: Convert to fraction form
20,896,337.84/31,330,197.24 = 10,641,346.88/x - Step 3: Cross multiply
20,896,337.84x = 31,330,197.24 × 10,641,346.88 - Step 4: Simplify right side
20,896,337.84x = 333,395,496,649,658.62 - Step 5: Solve for x
x = 333,395,496,649,658.62/20,896,337.84 - Step 6: Final answer
x = 15,954,733.27
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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.