Finding the Fourth Proportional to 42,453,938.75, 63,617,674.44 and 21,956,288.09
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Solution
The fourth proportional to 42,453,938.75, 63,617,674.44 and 21,956,288.09 is: 32,901,728.99
Step by Step Solution
- Step 1: Write the proportion equation
42,453,938.75 : 63,617,674.44 = 21,956,288.09 : x - Step 2: Convert to fraction form
42,453,938.75/63,617,674.44 = 21,956,288.09/x - Step 3: Cross multiply
42,453,938.75x = 63,617,674.44 × 21,956,288.09 - Step 4: Simplify right side
42,453,938.75x = 1,396,807,987,261,213 - Step 5: Solve for x
x = 1,396,807,987,261,213/42,453,938.75 - Step 6: Final answer
x = 32,901,728.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.