Finding the Fourth Proportional to 11,315,009.16, 15,614,711.70 and 6,158,407.68
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Solution
The fourth proportional to 11,315,009.16, 15,614,711.70 and 6,158,407.68 is: 8,498,602.09
Step by Step Solution
- Step 1: Write the proportion equation
11,315,009.16 : 15,614,711.70 = 6,158,407.68 : x - Step 2: Convert to fraction form
11,315,009.16/15,614,711.70 = 6,158,407.68/x - Step 3: Cross multiply
11,315,009.16x = 15,614,711.70 × 6,158,407.68 - Step 4: Simplify right side
11,315,009.16x = 96,161,760,454,265.84 - Step 5: Solve for x
x = 96,161,760,454,265.84/11,315,009.16 - Step 6: Final answer
x = 8,498,602.09
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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.