Finding the Fourth Proportional to 14,344,759.89, 19,795,783.86 and 7,818,394.68
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Solution
The fourth proportional to 14,344,759.89, 19,795,783.86 and 7,818,394.68 is: 10,789,392.95
Step by Step Solution
- Step 1: Write the proportion equation
14,344,759.89 : 19,795,783.86 = 7,818,394.68 : x - Step 2: Convert to fraction form
14,344,759.89/19,795,783.86 = 7,818,394.68/x - Step 3: Cross multiply
14,344,759.89x = 19,795,783.86 × 7,818,394.68 - Step 4: Simplify right side
14,344,759.89x = 154,771,251,217,453.84 - Step 5: Solve for x
x = 154,771,251,217,453.84/14,344,759.89 - Step 6: Final answer
x = 10,789,392.95
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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.