Finding the Fourth Proportional to 28,471,489.95, 42,714,517.64 and 8,276,731.95
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Solution
The fourth proportional to 28,471,489.95, 42,714,517.64 and 8,276,731.95 is: 12,417,215.03
Step by Step Solution
- Step 1: Write the proportion equation
28,471,489.95 : 42,714,517.64 = 8,276,731.95 : x - Step 2: Convert to fraction form
28,471,489.95/42,714,517.64 = 8,276,731.95/x - Step 3: Cross multiply
28,471,489.95x = 42,714,517.64 × 8,276,731.95 - Step 4: Simplify right side
28,471,489.95x = 353,536,612,998,622.38 - Step 5: Solve for x
x = 353,536,612,998,622.38/28,471,489.95 - Step 6: Final answer
x = 12,417,215.03
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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.