Finding the Fourth Proportional to 20,409,677.68, 30,614,558.64 and 19,162,562.80
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Solution
The fourth proportional to 20,409,677.68, 30,614,558.64 and 19,162,562.80 is: 28,743,883.75
Step by Step Solution
- Step 1: Write the proportion equation
20,409,677.68 : 30,614,558.64 = 19,162,562.80 : x - Step 2: Convert to fraction form
20,409,677.68/30,614,558.64 = 19,162,562.80/x - Step 3: Cross multiply
20,409,677.68x = 30,614,558.64 × 19,162,562.80 - Step 4: Simplify right side
20,409,677.68x = 586,653,402,533,282.62 - Step 5: Solve for x
x = 586,653,402,533,282.62/20,409,677.68 - Step 6: Final answer
x = 28,743,883.75
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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.