Finding the Fourth Proportional to 13,515,781.34, 20,267,610.17 and 8,053,450.18
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Solution
The fourth proportional to 13,515,781.34, 20,267,610.17 and 8,053,450.18 is: 12,076,563.28
Step by Step Solution
- Step 1: Write the proportion equation
13,515,781.34 : 20,267,610.17 = 8,053,450.18 : x - Step 2: Convert to fraction form
13,515,781.34/20,267,610.17 = 8,053,450.18/x - Step 3: Cross multiply
13,515,781.34x = 20,267,610.17 × 8,053,450.18 - Step 4: Simplify right side
13,515,781.34x = 163,224,188,680,820.06 - Step 5: Solve for x
x = 163,224,188,680,820.06/13,515,781.34 - Step 6: Final answer
x = 12,076,563.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.