Finding the Fourth Proportional to 9,939,497.40, 14,909,246.10 and 9,876,511.80
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Solution
The fourth proportional to 9,939,497.40, 14,909,246.10 and 9,876,511.80 is: 14,814,767.70
Step by Step Solution
- Step 1: Write the proportion equation
9,939,497.40 : 14,909,246.10 = 9,876,511.80 : x - Step 2: Convert to fraction form
9,939,497.40/14,909,246.10 = 9,876,511.80/x - Step 3: Cross multiply
9,939,497.40x = 14,909,246.10 × 9,876,511.80 - Step 4: Simplify right side
9,939,497.40x = 147,251,345,035,754 - Step 5: Solve for x
x = 147,251,345,035,754/9,939,497.40 - Step 6: Final answer
x = 14,814,767.70
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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.