Finding the Fourth Proportional to 18,056,983.68, 27,085,891.14 and 4,410,243.36
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Solution
The fourth proportional to 18,056,983.68, 27,085,891.14 and 4,410,243.36 is: 6,615,466.55
Step by Step Solution
- Step 1: Write the proportion equation
18,056,983.68 : 27,085,891.14 = 4,410,243.36 : x - Step 2: Convert to fraction form
18,056,983.68/27,085,891.14 = 4,410,243.36/x - Step 3: Cross multiply
18,056,983.68x = 27,085,891.14 × 4,410,243.36 - Step 4: Simplify right side
18,056,983.68x = 119,455,371,549,867.84 - Step 5: Solve for x
x = 119,455,371,549,867.84/18,056,983.68 - Step 6: Final answer
x = 6,615,466.55
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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.