Finding the Fourth Proportional to 18,916,829.10, 26,107,152.93 and 11,579,511.06
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Solution
The fourth proportional to 18,916,829.10, 26,107,152.93 and 11,579,511.06 is: 15,980,905.92
Step by Step Solution
- Step 1: Write the proportion equation
18,916,829.10 : 26,107,152.93 = 11,579,511.06 : x - Step 2: Convert to fraction form
18,916,829.10/26,107,152.93 = 11,579,511.06/x - Step 3: Cross multiply
18,916,829.10x = 26,107,152.93 × 11,579,511.06 - Step 4: Simplify right side
18,916,829.10x = 302,308,066,098,046.44 - Step 5: Solve for x
x = 302,308,066,098,046.44/18,916,829.10 - Step 6: Final answer
x = 15,980,905.92
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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.