Finding the Fourth Proportional to 18,610,890.00, 27,917,661.91 and 4,963,958.97
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Solution
The fourth proportional to 18,610,890.00, 27,917,661.91 and 4,963,958.97 is: 7,446,292.37
Step by Step Solution
- Step 1: Write the proportion equation
18,610,890.00 : 27,917,661.91 = 4,963,958.97 : x - Step 2: Convert to fraction form
18,610,890.00/27,917,661.91 = 4,963,958.97/x - Step 3: Cross multiply
18,610,890.00x = 27,917,661.91 × 4,963,958.97 - Step 4: Simplify right side
18,610,890.00x = 138,582,128,119,983.52 - Step 5: Solve for x
x = 138,582,128,119,983.52/18,610,890.00 - Step 6: Final answer
x = 7,446,292.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.