Finding the Fourth Proportional to 7,321,794.36, 10,982,836.98 and 5,153,953.08
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Solution
The fourth proportional to 7,321,794.36, 10,982,836.98 and 5,153,953.08 is: 7,731,032.00
Step by Step Solution
- Step 1: Write the proportion equation
7,321,794.36 : 10,982,836.98 = 5,153,953.08 : x - Step 2: Convert to fraction form
7,321,794.36/10,982,836.98 = 5,153,953.08/x - Step 3: Cross multiply
7,321,794.36x = 10,982,836.98 × 5,153,953.08 - Step 4: Simplify right side
7,321,794.36x = 56,605,026,480,208.90 - Step 5: Solve for x
x = 56,605,026,480,208.90/7,321,794.36 - Step 6: Final answer
x = 7,731,032.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.