Finding the Fourth Proportional to 19,493,178.09, 26,899,520.04 and 10,670,922.72
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Solution
The fourth proportional to 19,493,178.09, 26,899,520.04 and 10,670,922.72 is: 14,725,289.96
Step by Step Solution
- Step 1: Write the proportion equation
19,493,178.09 : 26,899,520.04 = 10,670,922.72 : x - Step 2: Convert to fraction form
19,493,178.09/26,899,520.04 = 10,670,922.72/x - Step 3: Cross multiply
19,493,178.09x = 26,899,520.04 × 10,670,922.72 - Step 4: Simplify right side
19,493,178.09x = 287,042,699,551,931.31 - Step 5: Solve for x
x = 287,042,699,551,931.31/19,493,178.09 - Step 6: Final answer
x = 14,725,289.96
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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.