Finding the Fourth Proportional to 52,471,457.57, 72,410,862.97 and 28,949,993.12
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Solution
The fourth proportional to 52,471,457.57, 72,410,862.97 and 28,949,993.12 is: 39,951,129.28
Step by Step Solution
- Step 1: Write the proportion equation
52,471,457.57 : 72,410,862.97 = 28,949,993.12 : x - Step 2: Convert to fraction form
52,471,457.57/72,410,862.97 = 28,949,993.12/x - Step 3: Cross multiply
52,471,457.57x = 72,410,862.97 × 28,949,993.12 - Step 4: Simplify right side
52,471,457.57x = 2,096,293,985,011,977.25 - Step 5: Solve for x
x = 2,096,293,985,011,977.25/52,471,457.57 - Step 6: Final answer
x = 39,951,129.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.