Finding the Fourth Proportional to 24,571,657.18, 33,921,163.02 and 15,282,221.59
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Solution
The fourth proportional to 24,571,657.18, 33,921,163.02 and 15,282,221.59 is: 21,097,100.86
Step by Step Solution
- Step 1: Write the proportion equation
24,571,657.18 : 33,921,163.02 = 15,282,221.59 : x - Step 2: Convert to fraction form
24,571,657.18/33,921,163.02 = 15,282,221.59/x - Step 3: Cross multiply
24,571,657.18x = 33,921,163.02 × 15,282,221.59 - Step 4: Simplify right side
24,571,657.18x = 518,390,729,862,153.62 - Step 5: Solve for x
x = 518,390,729,862,153.62/24,571,657.18 - Step 6: Final answer
x = 21,097,100.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.