Finding the Fourth Proportional to 36,028,372.16, 49,719,172.68 and 19,508,504.24
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Solution
The fourth proportional to 36,028,372.16, 49,719,172.68 and 19,508,504.24 is: 26,921,746.19
Step by Step Solution
- Step 1: Write the proportion equation
36,028,372.16 : 49,719,172.68 = 19,508,504.24 : x - Step 2: Convert to fraction form
36,028,372.16/49,719,172.68 = 19,508,504.24/x - Step 3: Cross multiply
36,028,372.16x = 49,719,172.68 × 19,508,504.24 - Step 4: Simplify right side
36,028,372.16x = 969,946,691,037,072.12 - Step 5: Solve for x
x = 969,946,691,037,072.12/36,028,372.16 - Step 6: Final answer
x = 26,921,746.19
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1.5x scale
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.