Finding the Fourth Proportional to 38,714,120.14, 53,425,485.05 and 21,073,089.94
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Solution
The fourth proportional to 38,714,120.14, 53,425,485.05 and 21,073,089.94 is: 29,080,863.71
Step by Step Solution
- Step 1: Write the proportion equation
38,714,120.14 : 53,425,485.05 = 21,073,089.94 : x - Step 2: Convert to fraction form
38,714,120.14/53,425,485.05 = 21,073,089.94/x - Step 3: Cross multiply
38,714,120.14x = 53,425,485.05 × 21,073,089.94 - Step 4: Simplify right side
38,714,120.14x = 1,125,840,051,546,775.38 - Step 5: Solve for x
x = 1,125,840,051,546,775.38/38,714,120.14 - Step 6: Final answer
x = 29,080,863.71
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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.