Finding the Fourth Proportional to 42,842,183.60, 59,107,433.84 and 27,381,318.32
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Solution
The fourth proportional to 42,842,183.60, 59,107,433.84 and 27,381,318.32 is: 37,776,773.38
Step by Step Solution
- Step 1: Write the proportion equation
42,842,183.60 : 59,107,433.84 = 27,381,318.32 : x - Step 2: Convert to fraction form
42,842,183.60/59,107,433.84 = 27,381,318.32/x - Step 3: Cross multiply
42,842,183.60x = 59,107,433.84 × 27,381,318.32 - Step 4: Simplify right side
42,842,183.60x = 1,618,439,461,051,380 - Step 5: Solve for x
x = 1,618,439,461,051,380/42,842,183.60 - Step 6: Final answer
x = 37,776,773.38
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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.