Finding the Fourth Proportional to 11,656,783.84, 16,086,466.20 and 6,429,992.08
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Solution
The fourth proportional to 11,656,783.84, 16,086,466.20 and 6,429,992.08 is: 8,873,446.71
Step by Step Solution
- Step 1: Write the proportion equation
11,656,783.84 : 16,086,466.20 = 6,429,992.08 : x - Step 2: Convert to fraction form
11,656,783.84/16,086,466.20 = 6,429,992.08/x - Step 3: Cross multiply
11,656,783.84x = 16,086,466.20 × 6,429,992.08 - Step 4: Simplify right side
11,656,783.84x = 103,435,850,261,187.69 - Step 5: Solve for x
x = 103,435,850,261,187.69/11,656,783.84 - Step 6: Final answer
x = 8,873,446.71
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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.