Finding the Fourth Proportional to 42,625,583.68, 63,922,502.76 and 15,324,426.76
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Solution
The fourth proportional to 42,625,583.68, 63,922,502.76 and 15,324,426.76 is: 22,980,933.69
Step by Step Solution
- Step 1: Write the proportion equation
42,625,583.68 : 63,922,502.76 = 15,324,426.76 : x - Step 2: Convert to fraction form
42,625,583.68/63,922,502.76 = 15,324,426.76/x - Step 3: Cross multiply
42,625,583.68x = 63,922,502.76 × 15,324,426.76 - Step 4: Simplify right side
42,625,583.68x = 979,575,711,861,517.75 - Step 5: Solve for x
x = 979,575,711,861,517.75/42,625,583.68 - Step 6: Final answer
x = 22,980,933.69
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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.