Finding the Fourth Proportional to 16,390,129.01, 22,618,239.32 and 9,047,804.49
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Solution
The fourth proportional to 16,390,129.01, 22,618,239.32 and 9,047,804.49 is: 12,485,893.63
Step by Step Solution
- Step 1: Write the proportion equation
16,390,129.01 : 22,618,239.32 = 9,047,804.49 : x - Step 2: Convert to fraction form
16,390,129.01/22,618,239.32 = 9,047,804.49/x - Step 3: Cross multiply
16,390,129.01x = 22,618,239.32 × 9,047,804.49 - Step 4: Simplify right side
16,390,129.01x = 204,645,407,298,010.06 - Step 5: Solve for x
x = 204,645,407,298,010.06/16,390,129.01 - Step 6: Final answer
x = 12,485,893.63
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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.