Finding the Fourth Proportional to 11,465,557.12, 15,822,905.41 and 6,571,723.62
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Solution
The fourth proportional to 11,465,557.12, 15,822,905.41 and 6,571,723.62 is: 9,069,228.84
Step by Step Solution
- Step 1: Write the proportion equation
11,465,557.12 : 15,822,905.41 = 6,571,723.62 : x - Step 2: Convert to fraction form
11,465,557.12/15,822,905.41 = 6,571,723.62/x - Step 3: Cross multiply
11,465,557.12x = 15,822,905.41 × 6,571,723.62 - Step 4: Simplify right side
11,465,557.12x = 103,983,761,287,473.34 - Step 5: Solve for x
x = 103,983,761,287,473.34/11,465,557.12 - Step 6: Final answer
x = 9,069,228.84
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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.