Finding the Fourth Proportional to 12,334,776.80, 18,475,219.68 and 5,124,449.12
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Solution
The fourth proportional to 12,334,776.80, 18,475,219.68 and 5,124,449.12 is: 7,675,479.24
Step by Step Solution
- Step 1: Write the proportion equation
12,334,776.80 : 18,475,219.68 = 5,124,449.12 : x - Step 2: Convert to fraction form
12,334,776.80/18,475,219.68 = 5,124,449.12/x - Step 3: Cross multiply
12,334,776.80x = 18,475,219.68 × 5,124,449.12 - Step 4: Simplify right side
12,334,776.80x = 94,675,323,230,982.69 - Step 5: Solve for x
x = 94,675,323,230,982.69/12,334,776.80 - Step 6: Final answer
x = 7,675,479.24
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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.