Finding the Fourth Proportional to 10,954,510.38, 15,115,907.07 and 6,309,805.95
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Solution
The fourth proportional to 10,954,510.38, 15,115,907.07 and 6,309,805.95 is: 8,706,773.47
Step by Step Solution
- Step 1: Write the proportion equation
10,954,510.38 : 15,115,907.07 = 6,309,805.95 : x - Step 2: Convert to fraction form
10,954,510.38/15,115,907.07 = 6,309,805.95/x - Step 3: Cross multiply
10,954,510.38x = 15,115,907.07 × 6,309,805.95 - Step 4: Simplify right side
10,954,510.38x = 95,378,440,369,933.08 - Step 5: Solve for x
x = 95,378,440,369,933.08/10,954,510.38 - Step 6: Final answer
x = 8,706,773.47
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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.