Finding the Fourth Proportional to 7,012,555.92, 10,519,133.58 and 2,753,647.20
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Solution
The fourth proportional to 7,012,555.92, 10,519,133.58 and 2,753,647.20 is: 4,130,588.48
Step by Step Solution
- Step 1: Write the proportion equation
7,012,555.92 : 10,519,133.58 = 2,753,647.20 : x - Step 2: Convert to fraction form
7,012,555.92/10,519,133.58 = 2,753,647.20/x - Step 3: Cross multiply
7,012,555.92x = 10,519,133.58 × 2,753,647.20 - Step 4: Simplify right side
7,012,555.92x = 28,965,982,728,992.98 - Step 5: Solve for x
x = 28,965,982,728,992.98/7,012,555.92 - Step 6: Final answer
x = 4,130,588.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.