Finding the Fourth Proportional to 17,861,879.20, 24,648,649.28 and 10,127,444.32
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Solution
The fourth proportional to 17,861,879.20, 24,648,649.28 and 10,127,444.32 is: 13,975,451.31
Step by Step Solution
- Step 1: Write the proportion equation
17,861,879.20 : 24,648,649.28 = 10,127,444.32 : x - Step 2: Convert to fraction form
17,861,879.20/24,648,649.28 = 10,127,444.32/x - Step 3: Cross multiply
17,861,879.20x = 24,648,649.28 × 10,127,444.32 - Step 4: Simplify right side
17,861,879.20x = 249,627,823,146,408.09 - Step 5: Solve for x
x = 249,627,823,146,408.09/17,861,879.20 - Step 6: Final answer
x = 13,975,451.31
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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.