Finding the Fourth Proportional to 15,980,797.40, 23,988,254.69 and 6,887,382.62
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Solution
The fourth proportional to 15,980,797.40, 23,988,254.69 and 6,887,382.62 is: 10,338,425.82
Step by Step Solution
- Step 1: Write the proportion equation
15,980,797.40 : 23,988,254.69 = 6,887,382.62 : x - Step 2: Convert to fraction form
15,980,797.40/23,988,254.69 = 6,887,382.62/x - Step 3: Cross multiply
15,980,797.40x = 23,988,254.69 × 6,887,382.62 - Step 4: Simplify right side
15,980,797.40x = 165,216,288,333,316.66 - Step 5: Solve for x
x = 165,216,288,333,316.66/15,980,797.40 - Step 6: Final answer
x = 10,338,425.82
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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.