Finding the Fourth Proportional to 10,133,962.56, 13,985,099.28 and 5,550,243.84
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Solution
The fourth proportional to 10,133,962.56, 13,985,099.28 and 5,550,243.84 is: 7,659,462.99
Step by Step Solution
- Step 1: Write the proportion equation
10,133,962.56 : 13,985,099.28 = 5,550,243.84 : x - Step 2: Convert to fraction form
10,133,962.56/13,985,099.28 = 5,550,243.84/x - Step 3: Cross multiply
10,133,962.56x = 13,985,099.28 × 5,550,243.84 - Step 4: Simplify right side
10,133,962.56x = 77,620,711,130,608.42 - Step 5: Solve for x
x = 77,620,711,130,608.42/10,133,962.56 - Step 6: Final answer
x = 7,659,462.99
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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.