Finding the Fourth Proportional to 8,290,054.45, 12,433,368.98 and 2,223,343.99
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Solution
The fourth proportional to 8,290,054.45, 12,433,368.98 and 2,223,343.99 is: 3,334,556.65
Step by Step Solution
- Step 1: Write the proportion equation
8,290,054.45 : 12,433,368.98 = 2,223,343.99 : x - Step 2: Convert to fraction form
8,290,054.45/12,433,368.98 = 2,223,343.99/x - Step 3: Cross multiply
8,290,054.45x = 12,433,368.98 × 2,223,343.99 - Step 4: Simplify right side
8,290,054.45x = 27,643,656,218,235.50 - Step 5: Solve for x
x = 27,643,656,218,235.50/8,290,054.45 - Step 6: Final answer
x = 3,334,556.65
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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.