Finding the Fourth Proportional to 14,201,815.74, 21,255,785.70 and 12,925,626.56
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Solution
The fourth proportional to 14,201,815.74, 21,255,785.70 and 12,925,626.56 is: 19,345,719.82
Step by Step Solution
- Step 1: Write the proportion equation
14,201,815.74 : 21,255,785.70 = 12,925,626.56 : x - Step 2: Convert to fraction form
14,201,815.74/21,255,785.70 = 12,925,626.56/x - Step 3: Cross multiply
14,201,815.74x = 21,255,785.70 × 12,925,626.56 - Step 4: Simplify right side
14,201,815.74x = 274,744,348,197,588.19 - Step 5: Solve for x
x = 274,744,348,197,588.19/14,201,815.74 - Step 6: Final answer
x = 19,345,719.82
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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.