Finding the Fourth Proportional to 13,521,559.00, 18,659,816.39 and 7,326,604.07
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Solution
The fourth proportional to 13,521,559.00, 18,659,816.39 and 7,326,604.07 is: 10,110,748.82
Step by Step Solution
- Step 1: Write the proportion equation
13,521,559.00 : 18,659,816.39 = 7,326,604.07 : x - Step 2: Convert to fraction form
13,521,559.00/18,659,816.39 = 7,326,604.07/x - Step 3: Cross multiply
13,521,559.00x = 18,659,816.39 × 7,326,604.07 - Step 4: Simplify right side
13,521,559.00x = 136,713,086,718,443.23 - Step 5: Solve for x
x = 136,713,086,718,443.23/13,521,559.00 - Step 6: Final answer
x = 10,110,748.82
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1.5x scale
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.