Finding the Fourth Proportional to 15,091,629.18, 20,840,283.99 and 9,586,785.66
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Solution
The fourth proportional to 15,091,629.18, 20,840,283.99 and 9,586,785.66 is: 13,238,553.20
Step by Step Solution
- Step 1: Write the proportion equation
15,091,629.18 : 20,840,283.99 = 9,586,785.66 : x - Step 2: Convert to fraction form
15,091,629.18/20,840,283.99 = 9,586,785.66/x - Step 3: Cross multiply
15,091,629.18x = 20,840,283.99 × 9,586,785.66 - Step 4: Simplify right side
15,091,629.18x = 199,791,335,705,659.56 - Step 5: Solve for x
x = 199,791,335,705,659.56/15,091,629.18 - Step 6: Final answer
x = 13,238,553.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.