Finding the Fourth Proportional to 20,956,356.36, 31,434,535.98 and 5,810,288.28
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Solution
The fourth proportional to 20,956,356.36, 31,434,535.98 and 5,810,288.28 is: 8,715,432.82
Step by Step Solution
- Step 1: Write the proportion equation
20,956,356.36 : 31,434,535.98 = 5,810,288.28 : x - Step 2: Convert to fraction form
20,956,356.36/31,434,535.98 = 5,810,288.28/x - Step 3: Cross multiply
20,956,356.36x = 31,434,535.98 × 5,810,288.28 - Step 4: Simplify right side
20,956,356.36x = 182,643,715,991,832.31 - Step 5: Solve for x
x = 182,643,715,991,832.31/20,956,356.36 - Step 6: Final answer
x = 8,715,432.82
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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.