Finding the Fourth Proportional to 8,984,574.80, 13,467,676.80 and 4,428,616.40
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Solution
The fourth proportional to 8,984,574.80, 13,467,676.80 and 4,428,616.40 is: 6,638,396.99
Step by Step Solution
- Step 1: Write the proportion equation
8,984,574.80 : 13,467,676.80 = 4,428,616.40 : x - Step 2: Convert to fraction form
8,984,574.80/13,467,676.80 = 4,428,616.40/x - Step 3: Cross multiply
8,984,574.80x = 13,467,676.80 × 4,428,616.40 - Step 4: Simplify right side
8,984,574.80x = 59,643,174,346,379.53 - Step 5: Solve for x
x = 59,643,174,346,379.53/8,984,574.80 - Step 6: Final answer
x = 6,638,396.99
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1.5x scale
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.