Finding the Fourth Proportional to 7,349,760.63, 11,026,112.55 and 4,115,897.13
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Solution
The fourth proportional to 7,349,760.63, 11,026,112.55 and 4,115,897.13 is: 6,174,669.80
Step by Step Solution
- Step 1: Write the proportion equation
7,349,760.63 : 11,026,112.55 = 4,115,897.13 : x - Step 2: Convert to fraction form
7,349,760.63/11,026,112.55 = 4,115,897.13/x - Step 3: Cross multiply
7,349,760.63x = 11,026,112.55 × 4,115,897.13 - Step 4: Simplify right side
7,349,760.63x = 45,382,344,999,601.98 - Step 5: Solve for x
x = 45,382,344,999,601.98/7,349,760.63 - Step 6: Final answer
x = 6,174,669.80
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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.