Finding the Fourth Proportional to 7,111,828.80, 10,651,996.80 and 5,852,116.80
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Solution
The fourth proportional to 7,111,828.80, 10,651,996.80 and 5,852,116.80 is: 8,765,217.95
Step by Step Solution
- Step 1: Write the proportion equation
7,111,828.80 : 10,651,996.80 = 5,852,116.80 : x - Step 2: Convert to fraction form
7,111,828.80/10,651,996.80 = 5,852,116.80/x - Step 3: Cross multiply
7,111,828.80x = 10,651,996.80 × 5,852,116.80 - Step 4: Simplify right side
7,111,828.80x = 62,336,729,426,826.24 - Step 5: Solve for x
x = 62,336,729,426,826.24/7,111,828.80 - Step 6: Final answer
x = 8,765,217.95
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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.