Finding the Fourth Proportional to 13,367,103.53, 18,446,125.55 and 7,565,760.68
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Solution
The fourth proportional to 13,367,103.53, 18,446,125.55 and 7,565,760.68 is: 10,440,479.57
Step by Step Solution
- Step 1: Write the proportion equation
13,367,103.53 : 18,446,125.55 = 7,565,760.68 : x - Step 2: Convert to fraction form
13,367,103.53/18,446,125.55 = 7,565,760.68/x - Step 3: Cross multiply
13,367,103.53x = 18,446,125.55 × 7,565,760.68 - Step 4: Simplify right side
13,367,103.53x = 139,558,971,254,473.95 - Step 5: Solve for x
x = 139,558,971,254,473.95/13,367,103.53 - Step 6: Final answer
x = 10,440,479.57
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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.