Finding the Fourth Proportional to 10,904,995.80, 15,049,486.02 and 6,258,743.69
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Solution
The fourth proportional to 10,904,995.80, 15,049,486.02 and 6,258,743.69 is: 8,637,405.96
Step by Step Solution
- Step 1: Write the proportion equation
10,904,995.80 : 15,049,486.02 = 6,258,743.69 : x - Step 2: Convert to fraction form
10,904,995.80/15,049,486.02 = 6,258,743.69/x - Step 3: Cross multiply
10,904,995.80x = 15,049,486.02 × 6,258,743.69 - Step 4: Simplify right side
10,904,995.80x = 94,190,875,665,418.22 - Step 5: Solve for x
x = 94,190,875,665,418.22/10,904,995.80 - Step 6: Final answer
x = 8,637,405.96
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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.