Finding the Fourth Proportional to 20,472,569.83, 30,724,106.51 and 15,021,750.00
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Solution
The fourth proportional to 20,472,569.83, 30,724,106.51 and 15,021,750.00 is: 22,543,815.99
Step by Step Solution
- Step 1: Write the proportion equation
20,472,569.83 : 30,724,106.51 = 15,021,750.00 : x - Step 2: Convert to fraction form
20,472,569.83/30,724,106.51 = 15,021,750.00/x - Step 3: Cross multiply
20,472,569.83x = 30,724,106.51 × 15,021,750.00 - Step 4: Simplify right side
20,472,569.83x = 461,529,847,034,864.94 - Step 5: Solve for x
x = 461,529,847,034,864.94/20,472,569.83 - Step 6: Final answer
x = 22,543,815.99
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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.