Finding the Fourth Proportional to 14,690,447.40, 22,019,924.70 and 5,589,028.20
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Solution
The fourth proportional to 14,690,447.40, 22,019,924.70 and 5,589,028.20 is: 8,377,551.53
Step by Step Solution
- Step 1: Write the proportion equation
14,690,447.40 : 22,019,924.70 = 5,589,028.20 : x - Step 2: Convert to fraction form
14,690,447.40/22,019,924.70 = 5,589,028.20/x - Step 3: Cross multiply
14,690,447.40x = 22,019,924.70 × 5,589,028.20 - Step 4: Simplify right side
14,690,447.40x = 123,069,980,110,176.55 - Step 5: Solve for x
x = 123,069,980,110,176.55/14,690,447.40 - Step 6: Final answer
x = 8,377,551.53
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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.