Finding the Fourth Proportional to 19,441,974.56, 26,830,740.05 and 11,182,039.14
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Solution
The fourth proportional to 19,441,974.56, 26,830,740.05 and 11,182,039.14 is: 15,431,682.85
Step by Step Solution
- Step 1: Write the proportion equation
19,441,974.56 : 26,830,740.05 = 11,182,039.14 : x - Step 2: Convert to fraction form
19,441,974.56/26,830,740.05 = 11,182,039.14/x - Step 3: Cross multiply
19,441,974.56x = 26,830,740.05 × 11,182,039.14 - Step 4: Simplify right side
19,441,974.56x = 300,022,385,338,355.38 - Step 5: Solve for x
x = 300,022,385,338,355.38/19,441,974.56 - Step 6: Final answer
x = 15,431,682.85
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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.