Finding the Fourth Proportional to 13,908,327.93, 19,192,817.91 and 7,713,620.37
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Solution
The fourth proportional to 13,908,327.93, 19,192,817.91 and 7,713,620.37 is: 10,644,421.96
Step by Step Solution
- Step 1: Write the proportion equation
13,908,327.93 : 19,192,817.91 = 7,713,620.37 : x - Step 2: Convert to fraction form
13,908,327.93/19,192,817.91 = 7,713,620.37/x - Step 3: Cross multiply
13,908,327.93x = 19,192,817.91 × 7,713,620.37 - Step 4: Simplify right side
13,908,327.93x = 148,046,111,188,276.84 - Step 5: Solve for x
x = 148,046,111,188,276.84/13,908,327.93 - Step 6: Final answer
x = 10,644,421.96
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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.