Finding the Fourth Proportional to 10,367,998.76, 14,307,847.28 and 5,784,321.08
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Solution
The fourth proportional to 10,367,998.76, 14,307,847.28 and 5,784,321.08 is: 7,982,368.11
Step by Step Solution
- Step 1: Write the proportion equation
10,367,998.76 : 14,307,847.28 = 5,784,321.08 : x - Step 2: Convert to fraction form
10,367,998.76/14,307,847.28 = 5,784,321.08/x - Step 3: Cross multiply
10,367,998.76x = 14,307,847.28 × 5,784,321.08 - Step 4: Simplify right side
10,367,998.76x = 82,761,182,631,124.66 - Step 5: Solve for x
x = 82,761,182,631,124.66/10,367,998.76 - Step 6: Final answer
x = 7,982,368.11
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1.5x scale
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.