Finding the Fourth Proportional to 13,372,283.34, 18,453,824.96 and 7,260,711.84
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Solution
The fourth proportional to 13,372,283.34, 18,453,824.96 and 7,260,711.84 is: 10,019,822.49
Step by Step Solution
- Step 1: Write the proportion equation
13,372,283.34 : 18,453,824.96 = 7,260,711.84 : x - Step 2: Convert to fraction form
13,372,283.34/18,453,824.96 = 7,260,711.84/x - Step 3: Cross multiply
13,372,283.34x = 18,453,824.96 × 7,260,711.84 - Step 4: Simplify right side
13,372,283.34x = 133,987,905,344,055.95 - Step 5: Solve for x
x = 133,987,905,344,055.95/13,372,283.34 - Step 6: Final answer
x = 10,019,822.49
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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.