Finding the Fourth Proportional to 14,899,382.40, 22,343,824.80 and 5,315,073.60
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Solution
The fourth proportional to 14,899,382.40, 22,343,824.80 and 5,315,073.60 is: 7,970,737.99
Step by Step Solution
- Step 1: Write the proportion equation
14,899,382.40 : 22,343,824.80 = 5,315,073.60 : x - Step 2: Convert to fraction form
14,899,382.40/22,343,824.80 = 5,315,073.60/x - Step 3: Cross multiply
14,899,382.40x = 22,343,824.80 × 5,315,073.60 - Step 4: Simplify right side
14,899,382.40x = 118,759,073,317,505.28 - Step 5: Solve for x
x = 118,759,073,317,505.28/14,899,382.40 - Step 6: Final answer
x = 7,970,737.99
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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.