Finding the Fourth Proportional to 11,221,095.31, 16,807,285.23 and 6,889,998.78
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Solution
The fourth proportional to 11,221,095.31, 16,807,285.23 and 6,889,998.78 is: 10,320,041.99
Step by Step Solution
- Step 1: Write the proportion equation
11,221,095.31 : 16,807,285.23 = 6,889,998.78 : x - Step 2: Convert to fraction form
11,221,095.31/16,807,285.23 = 6,889,998.78/x - Step 3: Cross multiply
11,221,095.31x = 16,807,285.23 × 6,889,998.78 - Step 4: Simplify right side
11,221,095.31x = 115,802,174,729,812.03 - Step 5: Solve for x
x = 115,802,174,729,812.03/11,221,095.31 - Step 6: Final answer
x = 10,320,041.99
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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.