Finding the Fourth Proportional to 15,216,477.49, 22,770,837.16 and 9,461,920.99
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Solution
The fourth proportional to 15,216,477.49, 22,770,837.16 and 9,461,920.99 is: 14,159,378.35
Step by Step Solution
- Step 1: Write the proportion equation
15,216,477.49 : 22,770,837.16 = 9,461,920.99 : x - Step 2: Convert to fraction form
15,216,477.49/22,770,837.16 = 9,461,920.99/x - Step 3: Cross multiply
15,216,477.49x = 22,770,837.16 × 9,461,920.99 - Step 4: Simplify right side
15,216,477.49x = 215,455,861,970,221.78 - Step 5: Solve for x
x = 215,455,861,970,221.78/15,216,477.49 - Step 6: Final answer
x = 14,159,378.35
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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.