Finding the Fourth Proportional to 14,448,213.62, 19,938,382.79 and 7,921,826.94
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Solution
The fourth proportional to 14,448,213.62, 19,938,382.79 and 7,921,826.94 is: 10,932,037.83
Step by Step Solution
- Step 1: Write the proportion equation
14,448,213.62 : 19,938,382.79 = 7,921,826.94 : x - Step 2: Convert to fraction form
14,448,213.62/19,938,382.79 = 7,921,826.94/x - Step 3: Cross multiply
14,448,213.62x = 19,938,382.79 × 7,921,826.94 - Step 4: Simplify right side
14,448,213.62x = 157,948,417,925,854.38 - Step 5: Solve for x
x = 157,948,417,925,854.38/14,448,213.62 - Step 6: Final answer
x = 10,932,037.83
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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.