Finding the Fourth Proportional to 10,830,438.99, 14,937,396.39 and 9,204,229.53
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Solution
The fourth proportional to 10,830,438.99, 14,937,396.39 and 9,204,229.53 is: 12,694,520.05
Step by Step Solution
- Step 1: Write the proportion equation
10,830,438.99 : 14,937,396.39 = 9,204,229.53 : x - Step 2: Convert to fraction form
10,830,438.99/14,937,396.39 = 9,204,229.53/x - Step 3: Cross multiply
10,830,438.99x = 14,937,396.39 × 9,204,229.53 - Step 4: Simplify right side
10,830,438.99x = 137,487,224,954,153.39 - Step 5: Solve for x
x = 137,487,224,954,153.39/10,830,438.99 - Step 6: Final answer
x = 12,694,520.05
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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.