Finding the Fourth Proportional to 18,918,362.94, 26,107,340.75 and 10,216,535.06
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Solution
The fourth proportional to 18,918,362.94, 26,107,340.75 and 10,216,535.06 is: 14,098,818.33
Step by Step Solution
- Step 1: Write the proportion equation
18,918,362.94 : 26,107,340.75 = 10,216,535.06 : x - Step 2: Convert to fraction form
18,918,362.94/26,107,340.75 = 10,216,535.06/x - Step 3: Cross multiply
18,918,362.94x = 26,107,340.75 × 10,216,535.06 - Step 4: Simplify right side
18,918,362.94x = 266,726,562,148,239.38 - Step 5: Solve for x
x = 266,726,562,148,239.38/18,918,362.94 - Step 6: Final answer
x = 14,098,818.33
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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.