Finding the Fourth Proportional to 13,460,529.26, 18,575,434.24 and 7,348,957.58
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Solution
The fourth proportional to 13,460,529.26, 18,575,434.24 and 7,348,957.58 is: 10,141,508.97
Step by Step Solution
- Step 1: Write the proportion equation
13,460,529.26 : 18,575,434.24 = 7,348,957.58 : x - Step 2: Convert to fraction form
13,460,529.26/18,575,434.24 = 7,348,957.58/x - Step 3: Cross multiply
13,460,529.26x = 18,575,434.24 × 7,348,957.58 - Step 4: Simplify right side
13,460,529.26x = 136,510,078,148,589.98 - Step 5: Solve for x
x = 136,510,078,148,589.98/13,460,529.26 - Step 6: Final answer
x = 10,141,508.97
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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.