Finding the Fourth Proportional to 7,127,901.10, 10,668,232.05 and 6,561,030.70
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Solution
The fourth proportional to 7,127,901.10, 10,668,232.05 and 6,561,030.70 is: 9,819,804.88
Step by Step Solution
- Step 1: Write the proportion equation
7,127,901.10 : 10,668,232.05 = 6,561,030.70 : x - Step 2: Convert to fraction form
7,127,901.10/10,668,232.05 = 6,561,030.70/x - Step 3: Cross multiply
7,127,901.10x = 10,668,232.05 × 6,561,030.70 - Step 4: Simplify right side
7,127,901.10x = 69,994,597,994,773.95 - Step 5: Solve for x
x = 69,994,597,994,773.95/7,127,901.10 - Step 6: Final answer
x = 9,819,804.88
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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.