Finding the Fourth Proportional to 7,702,473.70, 11,535,372.19 and 4,457,170.07
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Solution
The fourth proportional to 7,702,473.70, 11,535,372.19 and 4,457,170.07 is: 6,675,143.29
Step by Step Solution
- Step 1: Write the proportion equation
7,702,473.70 : 11,535,372.19 = 4,457,170.07 : x - Step 2: Convert to fraction form
7,702,473.70/11,535,372.19 = 4,457,170.07/x - Step 3: Cross multiply
7,702,473.70x = 11,535,372.19 × 4,457,170.07 - Step 4: Simplify right side
7,702,473.70x = 51,415,115,671,578.35 - Step 5: Solve for x
x = 51,415,115,671,578.35/7,702,473.70 - Step 6: Final answer
x = 6,675,143.29
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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.