Finding the Fourth Proportional to 17,957,892.84, 26,940,819.58 and 5,177,400.12
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Solution
The fourth proportional to 17,957,892.84, 26,940,819.58 and 5,177,400.12 is: 7,767,247.74
Step by Step Solution
- Step 1: Write the proportion equation
17,957,892.84 : 26,940,819.58 = 5,177,400.12 : x - Step 2: Convert to fraction form
17,957,892.84/26,940,819.58 = 5,177,400.12/x - Step 3: Cross multiply
17,957,892.84x = 26,940,819.58 × 5,177,400.12 - Step 4: Simplify right side
17,957,892.84x = 139,483,402,526,390.34 - Step 5: Solve for x
x = 139,483,402,526,390.34/17,957,892.84 - Step 6: Final answer
x = 7,767,247.74
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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.