Finding the Fourth Proportional to 13,270,846.74, 18,310,067.53 and 8,559,248.55
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Solution
The fourth proportional to 13,270,846.74, 18,310,067.53 and 8,559,248.55 is: 11,809,376.00
Step by Step Solution
- Step 1: Write the proportion equation
13,270,846.74 : 18,310,067.53 = 8,559,248.55 : x - Step 2: Convert to fraction form
13,270,846.74/18,310,067.53 = 8,559,248.55/x - Step 3: Cross multiply
13,270,846.74x = 18,310,067.53 × 8,559,248.55 - Step 4: Simplify right side
13,270,846.74x = 156,720,418,956,554.59 - Step 5: Solve for x
x = 156,720,418,956,554.59/13,270,846.74 - Step 6: Final answer
x = 11,809,376.00
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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.