Finding the Fourth Proportional to 11,444,655.47, 15,807,596.81 and 8,556,853.19
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Solution
The fourth proportional to 11,444,655.47, 15,807,596.81 and 8,556,853.19 is: 11,818,904.07
Step by Step Solution
- Step 1: Write the proportion equation
11,444,655.47 : 15,807,596.81 = 8,556,853.19 : x - Step 2: Convert to fraction form
11,444,655.47/15,807,596.81 = 8,556,853.19/x - Step 3: Cross multiply
11,444,655.47x = 15,807,596.81 × 8,556,853.19 - Step 4: Simplify right side
11,444,655.47x = 135,263,285,068,060.08 - Step 5: Solve for x
x = 135,263,285,068,060.08/11,444,655.47 - Step 6: Final answer
x = 11,818,904.07
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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.