Finding the Fourth Proportional to 20,701,504.68, 31,058,344.17 and 6,128,794.68
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Solution
The fourth proportional to 20,701,504.68, 31,058,344.17 and 6,128,794.68 is: 9,194,994.15
Step by Step Solution
- Step 1: Write the proportion equation
20,701,504.68 : 31,058,344.17 = 6,128,794.68 : x - Step 2: Convert to fraction form
20,701,504.68/31,058,344.17 = 6,128,794.68/x - Step 3: Cross multiply
20,701,504.68x = 31,058,344.17 × 6,128,794.68 - Step 4: Simplify right side
20,701,504.68x = 190,350,214,518,705.03 - Step 5: Solve for x
x = 190,350,214,518,705.03/20,701,504.68 - Step 6: Final answer
x = 9,194,994.15
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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.