Finding the Fourth Proportional to 18,970,732.13, 26,183,156.92 and 10,821,970.13
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Solution
The fourth proportional to 18,970,732.13, 26,183,156.92 and 10,821,970.13 is: 14,936,341.94
Step by Step Solution
- Step 1: Write the proportion equation
18,970,732.13 : 26,183,156.92 = 10,821,970.13 : x - Step 2: Convert to fraction form
18,970,732.13/26,183,156.92 = 10,821,970.13/x - Step 3: Cross multiply
18,970,732.13x = 26,183,156.92 × 10,821,970.13 - Step 4: Simplify right side
18,970,732.13x = 283,353,341,939,372.12 - Step 5: Solve for x
x = 283,353,341,939,372.12/18,970,732.13 - Step 6: Final answer
x = 14,936,341.94
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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.