Finding the Fourth Proportional to 11,810,819.97, 16,298,931.78 and 6,378,311.97
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Solution
The fourth proportional to 11,810,819.97, 16,298,931.78 and 6,378,311.97 is: 8,802,070.64
Step by Step Solution
- Step 1: Write the proportion equation
11,810,819.97 : 16,298,931.78 = 6,378,311.97 : x - Step 2: Convert to fraction form
11,810,819.97/16,298,931.78 = 6,378,311.97/x - Step 3: Cross multiply
11,810,819.97x = 16,298,931.78 × 6,378,311.97 - Step 4: Simplify right side
11,810,819.97x = 103,959,671,670,587.39 - Step 5: Solve for x
x = 103,959,671,670,587.39/11,810,819.97 - Step 6: Final answer
x = 8,802,070.64
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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.