Finding the Fourth Proportional to 48,493,813.20, 72,754,366.68 and 21,202,502.64
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Solution
The fourth proportional to 48,493,813.20, 72,754,366.68 and 21,202,502.64 is: 31,809,720.66
Step by Step Solution
- Step 1: Write the proportion equation
48,493,813.20 : 72,754,366.68 = 21,202,502.64 : x - Step 2: Convert to fraction form
48,493,813.20/72,754,366.68 = 21,202,502.64/x - Step 3: Cross multiply
48,493,813.20x = 72,754,366.68 × 21,202,502.64 - Step 4: Simplify right side
48,493,813.20x = 1,542,574,651,604,228.25 - Step 5: Solve for x
x = 1,542,574,651,604,228.25/48,493,813.20 - Step 6: Final answer
x = 31,809,720.66
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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.