Finding the Fourth Proportional to 14,438,548.68, 21,646,581.84 and 7,146,977.46
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Solution
The fourth proportional to 14,438,548.68, 21,646,581.84 and 7,146,977.46 is: 10,714,901.89
Step by Step Solution
- Step 1: Write the proportion equation
14,438,548.68 : 21,646,581.84 = 7,146,977.46 : x - Step 2: Convert to fraction form
14,438,548.68/21,646,581.84 = 7,146,977.46/x - Step 3: Cross multiply
14,438,548.68x = 21,646,581.84 × 7,146,977.46 - Step 4: Simplify right side
14,438,548.68x = 154,707,632,496,525.31 - Step 5: Solve for x
x = 154,707,632,496,525.31/14,438,548.68 - Step 6: Final answer
x = 10,714,901.89
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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.