Finding the Fourth Proportional to 18,528,798.63, 27,627,545.67 and 18,019,735.10
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Solution
The fourth proportional to 18,528,798.63, 27,627,545.67 and 18,019,735.10 is: 26,868,501.53
Step by Step Solution
- Step 1: Write the proportion equation
18,528,798.63 : 27,627,545.67 = 18,019,735.10 : x - Step 2: Convert to fraction form
18,528,798.63/27,627,545.67 = 18,019,735.10/x - Step 3: Cross multiply
18,528,798.63x = 27,627,545.67 × 18,019,735.10 - Step 4: Simplify right side
18,528,798.63x = 497,841,054,298,414.31 - Step 5: Solve for x
x = 497,841,054,298,414.31/18,528,798.63 - Step 6: Final answer
x = 26,868,501.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.