Finding the Fourth Proportional to 35,379,350.65, 48,823,403.88 and 19,909,435.14
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Solution
The fourth proportional to 35,379,350.65, 48,823,403.88 and 19,909,435.14 is: 27,474,964.21
Step by Step Solution
- Step 1: Write the proportion equation
35,379,350.65 : 48,823,403.88 = 19,909,435.14 : x - Step 2: Convert to fraction form
35,379,350.65/48,823,403.88 = 19,909,435.14/x - Step 3: Cross multiply
35,379,350.65x = 48,823,403.88 × 19,909,435.14 - Step 4: Simplify right side
35,379,350.65x = 972,046,392,862,884.38 - Step 5: Solve for x
x = 972,046,392,862,884.38/35,379,350.65 - Step 6: Final answer
x = 27,474,964.21
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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.