Finding the Fourth Proportional to 11,263,643.10, 16,895,464.65 and 4,869,438.30
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Solution
The fourth proportional to 11,263,643.10, 16,895,464.65 and 4,869,438.30 is: 7,304,157.45
Step by Step Solution
- Step 1: Write the proportion equation
11,263,643.10 : 16,895,464.65 = 4,869,438.30 : x - Step 2: Convert to fraction form
11,263,643.10/16,895,464.65 = 4,869,438.30/x - Step 3: Cross multiply
11,263,643.10x = 16,895,464.65 × 4,869,438.30 - Step 4: Simplify right side
11,263,643.10x = 82,271,422,663,006.08 - Step 5: Solve for x
x = 82,271,422,663,006.08/11,263,643.10 - Step 6: Final answer
x = 7,304,157.45
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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.