Finding the Fourth Proportional to 8,071,000.80, 12,106,501.20 and 3,021,655.20
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Solution
The fourth proportional to 8,071,000.80, 12,106,501.20 and 3,021,655.20 is: 4,532,482.80
Step by Step Solution
- Step 1: Write the proportion equation
8,071,000.80 : 12,106,501.20 = 3,021,655.20 : x - Step 2: Convert to fraction form
8,071,000.80/12,106,501.20 = 3,021,655.20/x - Step 3: Cross multiply
8,071,000.80x = 12,106,501.20 × 3,021,655.20 - Step 4: Simplify right side
8,071,000.80x = 36,581,672,304,786.24 - Step 5: Solve for x
x = 36,581,672,304,786.24/8,071,000.80 - Step 6: Final answer
x = 4,532,482.80
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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.