Finding the Fourth Proportional to 10,988,693.31, 16,483,179.12 and 4,163,433.09
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Solution
The fourth proportional to 10,988,693.31, 16,483,179.12 and 4,163,433.09 is: 6,245,202.36
Step by Step Solution
- Step 1: Write the proportion equation
10,988,693.31 : 16,483,179.12 = 4,163,433.09 : x - Step 2: Convert to fraction form
10,988,693.31/16,483,179.12 = 4,163,433.09/x - Step 3: Cross multiply
10,988,693.31x = 16,483,179.12 × 4,163,433.09 - Step 4: Simplify right side
10,988,693.31x = 68,626,613,376,605.08 - Step 5: Solve for x
x = 68,626,613,376,605.08/10,988,693.31 - Step 6: Final answer
x = 6,245,202.36
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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.