Finding the Fourth Proportional to 12,782,021.08, 19,135,823.42 and 6,702,336.04
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Solution
The fourth proportional to 12,782,021.08, 19,135,823.42 and 6,702,336.04 is: 10,033,993.70
Step by Step Solution
- Step 1: Write the proportion equation
12,782,021.08 : 19,135,823.42 = 6,702,336.04 : x - Step 2: Convert to fraction form
12,782,021.08/19,135,823.42 = 6,702,336.04/x - Step 3: Cross multiply
12,782,021.08x = 19,135,823.42 × 6,702,336.04 - Step 4: Simplify right side
12,782,021.08x = 128,254,718,962,942.06 - Step 5: Solve for x
x = 128,254,718,962,942.06/12,782,021.08 - Step 6: Final answer
x = 10,033,993.70
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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.