Finding the Fourth Proportional to 17,957,897.76, 26,940,826.96 and 5,177,405.28
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Solution
The fourth proportional to 17,957,897.76, 26,940,826.96 and 5,177,405.28 is: 7,767,255.48
Step by Step Solution
- Step 1: Write the proportion equation
17,957,897.76 : 26,940,826.96 = 5,177,405.28 : x - Step 2: Convert to fraction form
17,957,897.76/26,940,826.96 = 5,177,405.28/x - Step 3: Cross multiply
17,957,897.76x = 26,940,826.96 × 5,177,405.28 - Step 4: Simplify right side
17,957,897.76x = 139,483,579,750,270.36 - Step 5: Solve for x
x = 139,483,579,750,270.36/17,957,897.76 - Step 6: Final answer
x = 7,767,255.48
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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.