Finding the Fourth Proportional to 20,183,988.66, 30,254,721.68 and 10,065,352.02
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Solution
The fourth proportional to 20,183,988.66, 30,254,721.68 and 10,065,352.02 is: 15,087,425.44
Step by Step Solution
- Step 1: Write the proportion equation
20,183,988.66 : 30,254,721.68 = 10,065,352.02 : x - Step 2: Convert to fraction form
20,183,988.66/30,254,721.68 = 10,065,352.02/x - Step 3: Cross multiply
20,183,988.66x = 30,254,721.68 × 10,065,352.02 - Step 4: Simplify right side
20,183,988.66x = 304,524,423,976,325.75 - Step 5: Solve for x
x = 304,524,423,976,325.75/20,183,988.66 - Step 6: Final answer
x = 15,087,425.44
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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.