Finding the Fourth Proportional to 7,731,285.56, 10,668,881.79 and 4,293,748.03
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Solution
The fourth proportional to 7,731,285.56, 10,668,881.79 and 4,293,748.03 is: 5,925,209.95
Step by Step Solution
- Step 1: Write the proportion equation
7,731,285.56 : 10,668,881.79 = 4,293,748.03 : x - Step 2: Convert to fraction form
7,731,285.56/10,668,881.79 = 4,293,748.03/x - Step 3: Cross multiply
7,731,285.56x = 10,668,881.79 × 4,293,748.03 - Step 4: Simplify right side
7,731,285.56x = 45,809,490,133,310.53 - Step 5: Solve for x
x = 45,809,490,133,310.53/7,731,285.56 - Step 6: Final answer
x = 5,925,209.95
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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.