Finding the Fourth Proportional to 8,433,581.97, 11,638,792.70 and 4,712,503.31
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Solution
The fourth proportional to 8,433,581.97, 11,638,792.70 and 4,712,503.31 is: 6,503,505.77
Step by Step Solution
- Step 1: Write the proportion equation
8,433,581.97 : 11,638,792.70 = 4,712,503.31 : x - Step 2: Convert to fraction form
8,433,581.97/11,638,792.70 = 4,712,503.31/x - Step 3: Cross multiply
8,433,581.97x = 11,638,792.70 × 4,712,503.31 - Step 4: Simplify right side
8,433,581.97x = 54,847,849,054,342.20 - Step 5: Solve for x
x = 54,847,849,054,342.20/8,433,581.97 - Step 6: Final answer
x = 6,503,505.77
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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.