Finding the Fourth Proportional to 10,927,315.92, 15,080,722.11 and 8,169,227.04
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Solution
The fourth proportional to 10,927,315.92, 15,080,722.11 and 8,169,227.04 is: 11,274,300.45
Step by Step Solution
- Step 1: Write the proportion equation
10,927,315.92 : 15,080,722.11 = 8,169,227.04 : x - Step 2: Convert to fraction form
10,927,315.92/15,080,722.11 = 8,169,227.04/x - Step 3: Cross multiply
10,927,315.92x = 15,080,722.11 × 8,169,227.04 - Step 4: Simplify right side
10,927,315.92x = 123,197,842,843,737.84 - Step 5: Solve for x
x = 123,197,842,843,737.84/10,927,315.92 - Step 6: Final answer
x = 11,274,300.45
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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.