Finding the Fourth Proportional to 9,128,157.62, 13,670,500.44 and 5,281,874.14
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Solution
The fourth proportional to 9,128,157.62, 13,670,500.44 and 5,281,874.14 is: 7,910,234.00
Step by Step Solution
- Step 1: Write the proportion equation
9,128,157.62 : 13,670,500.44 = 5,281,874.14 : x - Step 2: Convert to fraction form
9,128,157.62/13,670,500.44 = 5,281,874.14/x - Step 3: Cross multiply
9,128,157.62x = 13,670,500.44 × 5,281,874.14 - Step 4: Simplify right side
9,128,157.62x = 72,205,862,754,894.61 - Step 5: Solve for x
x = 72,205,862,754,894.61/9,128,157.62 - Step 6: Final answer
x = 7,910,234.00
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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.