Finding the Fourth Proportional to 14,972,862.84, 20,662,612.99 and 8,097,344.90
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Solution
The fourth proportional to 14,972,862.84, 20,662,612.99 and 8,097,344.90 is: 11,174,369.64
Step by Step Solution
- Step 1: Write the proportion equation
14,972,862.84 : 20,662,612.99 = 8,097,344.90 : x - Step 2: Convert to fraction form
14,972,862.84/20,662,612.99 = 8,097,344.90/x - Step 3: Cross multiply
14,972,862.84x = 20,662,612.99 × 8,097,344.90 - Step 4: Simplify right side
14,972,862.84x = 167,312,303,925,371.94 - Step 5: Solve for x
x = 167,312,303,925,371.94/14,972,862.84 - Step 6: Final answer
x = 11,174,369.64
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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.