Finding the Fourth Proportional to 14,420,074.55, 19,899,728.06 and 7,893,708.12
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Solution
The fourth proportional to 14,420,074.55, 19,899,728.06 and 7,893,708.12 is: 10,893,330.99
Step by Step Solution
- Step 1: Write the proportion equation
14,420,074.55 : 19,899,728.06 = 7,893,708.12 : x - Step 2: Convert to fraction form
14,420,074.55/19,899,728.06 = 7,893,708.12/x - Step 3: Cross multiply
14,420,074.55x = 19,899,728.06 × 7,893,708.12 - Step 4: Simplify right side
14,420,074.55x = 157,082,644,933,545.31 - Step 5: Solve for x
x = 157,082,644,933,545.31/14,420,074.55 - Step 6: Final answer
x = 10,893,330.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.