Finding the Fourth Proportional to 18,217,541.01, 27,331,102.37 and 6,547,090.53
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Solution
The fourth proportional to 18,217,541.01, 27,331,102.37 and 6,547,090.53 is: 9,822,357.55
Step by Step Solution
- Step 1: Write the proportion equation
18,217,541.01 : 27,331,102.37 = 6,547,090.53 : x - Step 2: Convert to fraction form
18,217,541.01/27,331,102.37 = 6,547,090.53/x - Step 3: Cross multiply
18,217,541.01x = 27,331,102.37 × 6,547,090.53 - Step 4: Simplify right side
18,217,541.01x = 178,939,201,429,382.09 - Step 5: Solve for x
x = 178,939,201,429,382.09/18,217,541.01 - Step 6: Final answer
x = 9,822,357.55
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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.