Finding the Fourth Proportional to 21,366,040.01, 29,468,865.96 and 18,390,806.73
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Solution
The fourth proportional to 21,366,040.01, 29,468,865.96 and 18,390,806.73 is: 25,365,309.54
Step by Step Solution
- Step 1: Write the proportion equation
21,366,040.01 : 29,468,865.96 = 18,390,806.73 : x - Step 2: Convert to fraction form
21,366,040.01/29,468,865.96 = 18,390,806.73/x - Step 3: Cross multiply
21,366,040.01x = 29,468,865.96 × 18,390,806.73 - Step 4: Simplify right side
21,366,040.01x = 541,956,218,422,635.94 - Step 5: Solve for x
x = 541,956,218,422,635.94/21,366,040.01 - Step 6: Final answer
x = 25,365,309.54
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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.