Finding the Fourth Proportional to 7,136,784.24, 9,848,768.86 and 3,873,598.02
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Solution
The fourth proportional to 7,136,784.24, 9,848,768.86 and 3,873,598.02 is: 5,345,568.85
Step by Step Solution
- Step 1: Write the proportion equation
7,136,784.24 : 9,848,768.86 = 3,873,598.02 : x - Step 2: Convert to fraction form
7,136,784.24/9,848,768.86 = 3,873,598.02/x - Step 3: Cross multiply
7,136,784.24x = 9,848,768.86 × 3,873,598.02 - Step 4: Simplify right side
7,136,784.24x = 38,150,171,555,533.66 - Step 5: Solve for x
x = 38,150,171,555,533.66/7,136,784.24 - Step 6: Final answer
x = 5,345,568.85
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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.