Finding the Fourth Proportional to 7,226,356.50, 9,972,371.97 and 4,007,092.50
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Solution
The fourth proportional to 7,226,356.50, 9,972,371.97 and 4,007,092.50 is: 5,529,787.65
Step by Step Solution
- Step 1: Write the proportion equation
7,226,356.50 : 9,972,371.97 = 4,007,092.50 : x - Step 2: Convert to fraction form
7,226,356.50/9,972,371.97 = 4,007,092.50/x - Step 3: Cross multiply
7,226,356.50x = 9,972,371.97 × 4,007,092.50 - Step 4: Simplify right side
7,226,356.50x = 39,960,216,928,197.23 - Step 5: Solve for x
x = 39,960,216,928,197.23/7,226,356.50 - Step 6: Final answer
x = 5,529,787.65
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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.