Finding the Fourth Proportional to 9,351,867.99, 12,914,491.76 and 8,842,376.67
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Solution
The fourth proportional to 9,351,867.99, 12,914,491.76 and 8,842,376.67 is: 12,210,908.11
Step by Step Solution
- Step 1: Write the proportion equation
9,351,867.99 : 12,914,491.76 = 8,842,376.67 : x - Step 2: Convert to fraction form
9,351,867.99/12,914,491.76 = 8,842,376.67/x - Step 3: Cross multiply
9,351,867.99x = 12,914,491.76 × 8,842,376.67 - Step 4: Simplify right side
9,351,867.99x = 114,194,800,643,531.23 - Step 5: Solve for x
x = 114,194,800,643,531.23/9,351,867.99 - Step 6: Final answer
x = 12,210,908.11
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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.