Finding the Fourth Proportional to 20,956,358.61, 31,434,539.36 and 5,810,290.53
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Solution
The fourth proportional to 20,956,358.61, 31,434,539.36 and 5,810,290.53 is: 8,715,436.19
Step by Step Solution
- Step 1: Write the proportion equation
20,956,358.61 : 31,434,539.36 = 5,810,290.53 : x - Step 2: Convert to fraction form
20,956,358.61/31,434,539.36 = 5,810,290.53/x - Step 3: Cross multiply
20,956,358.61x = 31,434,539.36 × 5,810,290.53 - Step 4: Simplify right side
20,956,358.61x = 182,643,806,329,268.81 - Step 5: Solve for x
x = 182,643,806,329,268.81/20,956,358.61 - Step 6: Final answer
x = 8,715,436.19
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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.