Finding the Fourth Proportional to 19,903,062.96, 27,474,701.58 and 13,380,475.68
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Solution
The fourth proportional to 19,903,062.96, 27,474,701.58 and 13,380,475.68 is: 18,470,753.83
Step by Step Solution
- Step 1: Write the proportion equation
19,903,062.96 : 27,474,701.58 = 13,380,475.68 : x - Step 2: Convert to fraction form
19,903,062.96/27,474,701.58 = 13,380,475.68/x - Step 3: Cross multiply
19,903,062.96x = 27,474,701.58 × 13,380,475.68 - Step 4: Simplify right side
19,903,062.96x = 367,624,576,306,447.56 - Step 5: Solve for x
x = 367,624,576,306,447.56/19,903,062.96 - Step 6: Final answer
x = 18,470,753.83
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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.