Finding the Fourth Proportional to 7,781,122.14, 10,736,057.43 and 4,561,236.06
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Solution
The fourth proportional to 7,781,122.14, 10,736,057.43 and 4,561,236.06 is: 6,293,397.20
Step by Step Solution
- Step 1: Write the proportion equation
7,781,122.14 : 10,736,057.43 = 4,561,236.06 : x - Step 2: Convert to fraction form
7,781,122.14/10,736,057.43 = 4,561,236.06/x - Step 3: Cross multiply
7,781,122.14x = 10,736,057.43 × 4,561,236.06 - Step 4: Simplify right side
7,781,122.14x = 48,969,692,291,946.92 - Step 5: Solve for x
x = 48,969,692,291,946.92/7,781,122.14 - Step 6: Final answer
x = 6,293,397.20
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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.