Finding the Fourth Proportional to 14,806,564.53, 20,432,211.27 and 8,190,758.31
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Solution
The fourth proportional to 14,806,564.53, 20,432,211.27 and 8,190,758.31 is: 11,302,777.49
Step by Step Solution
- Step 1: Write the proportion equation
14,806,564.53 : 20,432,211.27 = 8,190,758.31 : x - Step 2: Convert to fraction form
14,806,564.53/20,432,211.27 = 8,190,758.31/x - Step 3: Cross multiply
14,806,564.53x = 20,432,211.27 × 8,190,758.31 - Step 4: Simplify right side
14,806,564.53x = 167,355,304,251,428.16 - Step 5: Solve for x
x = 167,355,304,251,428.16/14,806,564.53 - Step 6: Final answer
x = 11,302,777.49
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1.5x scale
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.