Finding the Fourth Proportional to 9,739,899.20, 14,609,848.80 and 4,421,115.20
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Solution
The fourth proportional to 9,739,899.20, 14,609,848.80 and 4,421,115.20 is: 6,631,672.80
Step by Step Solution
- Step 1: Write the proportion equation
9,739,899.20 : 14,609,848.80 = 4,421,115.20 : x - Step 2: Convert to fraction form
9,739,899.20/14,609,848.80 = 4,421,115.20/x - Step 3: Cross multiply
9,739,899.20x = 14,609,848.80 × 4,421,115.20 - Step 4: Simplify right side
9,739,899.20x = 64,591,824,599,381.77 - Step 5: Solve for x
x = 64,591,824,599,381.77/9,739,899.20 - Step 6: Final answer
x = 6,631,672.80
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Similar ratio
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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.