Finding the Fourth Proportional to 29,893,494.78, 41,256,070.11 and 18,298,720.62
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Solution
The fourth proportional to 29,893,494.78, 41,256,070.11 and 18,298,720.62 is: 25,254,099.81
Step by Step Solution
- Step 1: Write the proportion equation
29,893,494.78 : 41,256,070.11 = 18,298,720.62 : x - Step 2: Convert to fraction form
29,893,494.78/41,256,070.11 = 18,298,720.62/x - Step 3: Cross multiply
29,893,494.78x = 41,256,070.11 × 18,298,720.62 - Step 4: Simplify right side
29,893,494.78x = 754,933,300,822,022.75 - Step 5: Solve for x
x = 754,933,300,822,022.75/29,893,494.78 - Step 6: Final answer
x = 25,254,099.81
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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.