Finding the Fourth Proportional to 7,007,629.70, 10,502,587.20 and 3,405,640.70
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Solution
The fourth proportional to 7,007,629.70, 10,502,587.20 and 3,405,640.70 is: 5,104,156.46
Step by Step Solution
- Step 1: Write the proportion equation
7,007,629.70 : 10,502,587.20 = 3,405,640.70 : x - Step 2: Convert to fraction form
7,007,629.70/10,502,587.20 = 3,405,640.70/x - Step 3: Cross multiply
7,007,629.70x = 10,502,587.20 × 3,405,640.70 - Step 4: Simplify right side
7,007,629.70x = 35,768,038,423,619.04 - Step 5: Solve for x
x = 35,768,038,423,619.04/7,007,629.70 - Step 6: Final answer
x = 5,104,156.46
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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.