Finding the Fourth Proportional to 14,218,365.32, 19,623,690.44 and 8,714,801.60
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Solution
The fourth proportional to 14,218,365.32, 19,623,690.44 and 8,714,801.60 is: 12,027,864.31
Step by Step Solution
- Step 1: Write the proportion equation
14,218,365.32 : 19,623,690.44 = 8,714,801.60 : x - Step 2: Convert to fraction form
14,218,365.32/19,623,690.44 = 8,714,801.60/x - Step 3: Cross multiply
14,218,365.32x = 19,623,690.44 × 8,714,801.60 - Step 4: Simplify right side
14,218,365.32x = 171,016,568,844,416.72 - Step 5: Solve for x
x = 171,016,568,844,416.72/14,218,365.32 - Step 6: Final answer
x = 12,027,864.31
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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.