Finding the Fourth Proportional to 14,416,564.95, 19,894,912.35 and 7,801,153.46
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Solution
The fourth proportional to 14,416,564.95, 19,894,912.35 and 7,801,153.46 is: 10,765,620.31
Step by Step Solution
- Step 1: Write the proportion equation
14,416,564.95 : 19,894,912.35 = 7,801,153.46 : x - Step 2: Convert to fraction form
14,416,564.95/19,894,912.35 = 7,801,153.46/x - Step 3: Cross multiply
14,416,564.95x = 19,894,912.35 × 7,801,153.46 - Step 4: Simplify right side
14,416,564.95x = 155,203,264,315,599.25 - Step 5: Solve for x
x = 155,203,264,315,599.25/14,416,564.95 - Step 6: Final answer
x = 10,765,620.31
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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.