Finding the Fourth Proportional to 19,687,484.56, 27,164,671.96 and 11,313,235.10
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Solution
The fourth proportional to 19,687,484.56, 27,164,671.96 and 11,313,235.10 is: 15,609,933.27
Step by Step Solution
- Step 1: Write the proportion equation
19,687,484.56 : 27,164,671.96 = 11,313,235.10 : x - Step 2: Convert to fraction form
19,687,484.56/27,164,671.96 = 11,313,235.10/x - Step 3: Cross multiply
19,687,484.56x = 27,164,671.96 × 11,313,235.10 - Step 4: Simplify right side
19,687,484.56x = 307,320,320,297,857.81 - Step 5: Solve for x
x = 307,320,320,297,857.81/19,687,484.56 - Step 6: Final answer
x = 15,609,933.27
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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.