Finding the Fourth Proportional to 11,620,866.96, 16,036,159.68 and 6,393,776.16
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Solution
The fourth proportional to 11,620,866.96, 16,036,159.68 and 6,393,776.16 is: 8,823,060.78
Step by Step Solution
- Step 1: Write the proportion equation
11,620,866.96 : 16,036,159.68 = 6,393,776.16 : x - Step 2: Convert to fraction form
11,620,866.96/16,036,159.68 = 6,393,776.16/x - Step 3: Cross multiply
11,620,866.96x = 16,036,159.68 × 6,393,776.16 - Step 4: Simplify right side
11,620,866.96x = 102,531,615,459,937.23 - Step 5: Solve for x
x = 102,531,615,459,937.23/11,620,866.96 - Step 6: Final answer
x = 8,823,060.78
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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.