Finding the Fourth Proportional to 7,128,744.47, 10,688,846.42 and 2,268,951.80
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Solution
The fourth proportional to 7,128,744.47, 10,688,846.42 and 2,268,951.80 is: 3,402,068.54
Step by Step Solution
- Step 1: Write the proportion equation
7,128,744.47 : 10,688,846.42 = 2,268,951.80 : x - Step 2: Convert to fraction form
7,128,744.47/10,688,846.42 = 2,268,951.80/x - Step 3: Cross multiply
7,128,744.47x = 10,688,846.42 × 2,268,951.80 - Step 4: Simplify right side
7,128,744.47x = 24,252,477,302,618.80 - Step 5: Solve for x
x = 24,252,477,302,618.80/7,128,744.47 - Step 6: Final answer
x = 3,402,068.54
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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.