Finding the Fourth Proportional to 14,230,741.98, 19,638,286.47 and 7,704,204.06
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Solution
The fourth proportional to 14,230,741.98, 19,638,286.47 and 7,704,204.06 is: 10,631,727.18
Step by Step Solution
- Step 1: Write the proportion equation
14,230,741.98 : 19,638,286.47 = 7,704,204.06 : x - Step 2: Convert to fraction form
14,230,741.98/19,638,286.47 = 7,704,204.06/x - Step 3: Cross multiply
14,230,741.98x = 19,638,286.47 × 7,704,204.06 - Step 4: Simplify right side
14,230,741.98x = 151,297,366,353,617.06 - Step 5: Solve for x
x = 151,297,366,353,617.06/14,230,741.98 - Step 6: Final answer
x = 10,631,727.18
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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.