Finding the Fourth Proportional to 56,378,112, 84,567,168 and 13,827,840
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Solution
The fourth proportional to 56,378,112, 84,567,168 and 13,827,840 is: 20,741,760
Step by Step Solution
- Step 1: Write the proportion equation
56,378,112 : 84,567,168 = 13,827,840 : x - Step 2: Convert to fraction form
56,378,112/84,567,168 = 13,827,840/x - Step 3: Cross multiply
56,378,112x = 84,567,168 × 13,827,840 - Step 4: Simplify right side
56,378,112x = 1,169,381,268,357,120 - Step 5: Solve for x
x = 1,169,381,268,357,120/56,378,112 - Step 6: Final answer
x = 20,741,760
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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.