Finding the Fourth Proportional to 18,206,510.54, 27,290,691.18 and 8,483,106.02
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Solution
The fourth proportional to 18,206,510.54, 27,290,691.18 and 8,483,106.02 is: 12,715,771.43
Step by Step Solution
- Step 1: Write the proportion equation
18,206,510.54 : 27,290,691.18 = 8,483,106.02 : x - Step 2: Convert to fraction form
18,206,510.54/27,290,691.18 = 8,483,106.02/x - Step 3: Cross multiply
18,206,510.54x = 27,290,691.18 × 8,483,106.02 - Step 4: Simplify right side
18,206,510.54x = 231,509,826,502,565.47 - Step 5: Solve for x
x = 231,509,826,502,565.47/18,206,510.54 - Step 6: Final answer
x = 12,715,771.43
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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.