Finding the Fourth Proportional to 18,483,685.07, 27,739,149.91 and 8,768,328.53
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Solution
The fourth proportional to 18,483,685.07, 27,739,149.91 and 8,768,328.53 is: 13,158,954.97
Step by Step Solution
- Step 1: Write the proportion equation
18,483,685.07 : 27,739,149.91 = 8,768,328.53 : x - Step 2: Convert to fraction form
18,483,685.07/27,739,149.91 = 8,768,328.53/x - Step 3: Cross multiply
18,483,685.07x = 27,739,149.91 × 8,768,328.53 - Step 4: Simplify right side
18,483,685.07x = 243,225,979,393,183.38 - Step 5: Solve for x
x = 243,225,979,393,183.38/18,483,685.07 - Step 6: Final answer
x = 13,158,954.97
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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.