Finding the Fourth Proportional to 8,276,543.20, 12,415,203.60 and 2,596,952.80
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Solution
The fourth proportional to 8,276,543.20, 12,415,203.60 and 2,596,952.80 is: 3,895,551.19
Step by Step Solution
- Step 1: Write the proportion equation
8,276,543.20 : 12,415,203.60 = 2,596,952.80 : x - Step 2: Convert to fraction form
8,276,543.20/12,415,203.60 = 2,596,952.80/x - Step 3: Cross multiply
8,276,543.20x = 12,415,203.60 × 2,596,952.80 - Step 4: Simplify right side
8,276,543.20x = 32,241,697,751,590.08 - Step 5: Solve for x
x = 32,241,697,751,590.08/8,276,543.20 - Step 6: Final answer
x = 3,895,551.19
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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.