Finding the Fourth Proportional to 8,707,923.68, 13,049,480.97 and 6,415,419.15
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Solution
The fourth proportional to 8,707,923.68, 13,049,480.97 and 6,415,419.15 is: 9,613,989.88
Step by Step Solution
- Step 1: Write the proportion equation
8,707,923.68 : 13,049,480.97 = 6,415,419.15 : x - Step 2: Convert to fraction form
8,707,923.68/13,049,480.97 = 6,415,419.15/x - Step 3: Cross multiply
8,707,923.68x = 13,049,480.97 × 6,415,419.15 - Step 4: Simplify right side
8,707,923.68x = 83,717,890,112,498.58 - Step 5: Solve for x
x = 83,717,890,112,498.58/8,707,923.68 - Step 6: Final answer
x = 9,613,989.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.