Finding the Fourth Proportional to 18,227,905.90, 27,352,356.45 and 6,876,501.10
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Solution
The fourth proportional to 18,227,905.90, 27,352,356.45 and 6,876,501.10 is: 10,318,711.88
Step by Step Solution
- Step 1: Write the proportion equation
18,227,905.90 : 27,352,356.45 = 6,876,501.10 : x - Step 2: Convert to fraction form
18,227,905.90/27,352,356.45 = 6,876,501.10/x - Step 3: Cross multiply
18,227,905.90x = 27,352,356.45 × 6,876,501.10 - Step 4: Simplify right side
18,227,905.90x = 188,088,509,216,017.09 - Step 5: Solve for x
x = 188,088,509,216,017.09/18,227,905.90 - Step 6: Final answer
x = 10,318,711.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.